Answer:
0.1
Explanation:
1/2= 0.5
1/5= 0.2
.5 times .2= .1
For a lemonade stand, the total cost c, in dollars, of selling n cups of lemonade is given by c=100+ 1.5n. What is the best interpretation of
the number 100 in this equation?
Find the slope of the line passing through the points (-6,7) and (3,7)
3.
In Dewey Elementary School, there are two
second-grade classes: class A has 35 students
and class B has 45 students. If 40% of the
students in class A walk to school, and 80%
of the students in class B walk to school, what
percent of all the students in the second grade
at Dewey Elementary walk to school?
A) 40%
B) 42.5%
C) 60%
D) 62.5%
Answer:
D) 62.5%
Explanation:
40% of A walk:
40% of 35 = 35(0.4) = 14
80% of B walk:
80% of 45 = 45(0.8) = 36
Total students that walk: 50
Total students: 35+45 = 80
Therefore total percentage of walkers: 50/80 = 62.5%