the sum of the ages of two sisters, Mary and Jane, is 24 years old. four years ago three times Mary's age 3 years ago more than twice Jane's age determine the current age

Answers

Answer 1

Answer:

Mary's age = 11 years old

Jane's age = 13 years old

Explanation:

M + J = 24    ⇒ eq. 1

3(M-4) = 2(J-4) + 3   ⇒ eq. 2

M = Mary's age

J = Jane's age

then:

from the eq. 2

3*M + 3*-4 = (2*J + 2*-4) + 3

3M - 12 = 2J - 8 + 3

3M - 12 = 2J - 5

3M = 2J - 5 + 12

3M = 2J + 7    ⇒  eq. 3

From the eq. 1:

M = 24 - J     ⇒  eq. 4

replacing eq 4 in eq 3

3(24-J)  =  2J + 7

3*24 + 3*-J = 2J + 7

72 - 3J = 2J + 7

-3J - 2J = 7 - 72

-5J = -65

J = -65/-5

J = 13

from the eq. 4

M = 24 - J

M = 24 - 13

M = 11

Check:

from te eq. 2

3(M-4) = 2(J-4) + 3

3(11-4) = 2(13-4) + 3

3*7 = (2*9) + 3

21 = 18 + 3


Related Questions

The phrase hacer clic literally means:

Answers

Answer:

it mean hacer clic

Explanation:

I would say, “haz clic aquí” when giving instructions to someone else on a computer. So in this case it would mean... click here.

which of the following consonants cannot be used in the begging of a word in spanish

Answers

What are the options

Lo siento, pero no hay imagen ni nada, si la hay, no puedo verla en mi pantalla. ¡Si necesita ayuda, hágamelo saber!

Sorry, but there is no picture or anything, if there is, I can't see it on my screen. If you need help, let me know!

A nosotros nos____ las manzanas. gusta O gustan gusto gustar​

Answers

Gustan is the correct answer
Gustan... hope this helped

Robar es un delito.

True
False

Answers

Answer:

True / Cierto

Explanation:

Answer:

si es cierto es muy malo si lo haces serás preso

Explanation:

osea estarás en la carcel

In Venezuela it is common to have how many wedding ceremonies? 0 3 2 1

Answers

It’s common to have 2 wedding ceremonies
2 wedding ceremonies

can someone help me on my spanish work sheet i will cash app you money like fr

Answers

Answer:

1.) sus

2.) nuestra

3.) tu

4.) sus

5.) mis

6.) tu

7.)mi

8.) tus

9.) nuestro

10.) sus

11.) tus

12.) mi

13). tu

14.) mis

15.) sus

16.) su

17.) tu

18.) nuestros

19.) mi

20.) su

21.) nuestros

23.) mis

24.) su

25.) tu

26.) nuestro

27.) su

28.) sus

29.) mi

30.) su

hope this helped :)

Explanation:

Answer:

1.) sus

2.) nuestra

3.) tu

4.) sus

5.) mis

6.) tu

7.)mi

8.) tus

9.) nuestro

10.) sus

11.) tus

12.) mi

13). tu

14.) mis

15.) sus

16.) su

17.) tu

18.) nuestros

19.) mi

20.) su

21.) nuestros

23.) mis

24.) su

25.) tu

26.) nuestro

27.) su

28.) sus

29.) mi

30.) su

Explanation:

My cashapp is $Lilibug17

Total points: --/10
Attempts left: 3
ve 2
benge
Pablo is talking with his friend Mayra about her family's
birthday celebrations. Complete the conversation by
choosing logical verbs from the list and writing them in the
present tense. Each verb is used only once, and one verb
will not be used.
TIP: There are three kinds of stem changes: e-- ie, oue,
and ei. Stem-changes take place in all verb forms
except nosotros and vosotros. Stem-changing verbs use
the same endings as regular verbs.
dormir envolver | pedir poder repetir seguir
servir | tener
chive
Pablo: En tu familia, ¿festejan los cumpleaños de los
familiares?
FO
A
5 étv

Answers

Answer:

I am good at the thing a

Explanation:

Could you put the verbs from the list?
Other Questions
During the 1840s and 1850s, which set of immigrant groups arrived in unprecedented numbers, resulting in a nativist backlash in popular culture? what keeps the life cycle of a humman There are ________________________ amendments to the Constitution. Oxygen-poor blood flows out of the heart and into the lungs. Nutrients and oxygen are sent to other cells and parts of the body. The blood then returns to the heart to begin the process again. Which of the body's systems is the above process describing? Answers (A) -The skeletal system (B)-The digestive system (C)-The respiratory system (D)-The circulatory system the church in Rome and the church in Constantinople got among well. T/F question is in the photo pls answer ASAP Why does the flask have to be closed during the hydrochloric acid and sodium carbonate reaction? If a population has low death rates and high life expectancy which end of the population pyramid will increase? Poooo sieieoleltlrllrlr write these numbers in spanish. next write questions for these answers Can Yall Please Help Me At a sports camp, there is 1 counselor for every 8 campers. If there are 320 campers attending the camp, how many counselors are needed? 1.Qu es Los Precios Fijos y dnde se encuentra?2.Qu representaba para el autor el paisaje de yates blancos al cruzar el puente sobre el Almendares?3.Cules dos elementos le indicaban al autor que ya se encontraba en La Habana? 1) The entire nation seemed to be drowning in debt.What rhetorical device is used in this sentence?A) anaphoraB) hyperbolemetaphorD)metonymyE)simile Any high school advice? Use detail! For shipping packages, UPS charges $7.00 for the first pound, and $0.20 for each additional pound. FedEx charges $5.00 for the first pound and $0.30 for each additional pound. How many pounds will it take for UPS and FedEx to cost the same? Using p for the number of pounds, write and solve and equation to represent this situation. another riddle IM GIVING BRAINLYESTA boy was at a carnival and went to a booth where a man said to the boy, "If I write your exact weight on this piece of paper then you have to give me $50, but if I cannot, I will pay you $50." The boy looked around and saw no scale so he agrees, thinking no matter what the carny writes he'll just say he weighs more or less. In the end the boy ended up paying the man $50. How did the man win the bet? SHORT ANSWER Why is this table not a function? Explain your reason. Answer in complete sentences. A rider with a message was sent out of the Alamo while it was under siege. Who was the rider carrying the message?I can't find the answer anywhere... please help methis is Texas History, and I suck at it please help me thanks