Crystal earns $5.50 per hour mowing lawns.
a. Write a rule to describe how the amount of money m earned is a function of the number of hours h spent mowing lawns.
b. How much does Crystal earn if she works 3 hours and 45 minutes?


m(h) = 5.50h; $18.98


m(h) = [tex]\frac{h}{5.50}[/tex]; $0.68


m(h) = 3h + 45; $61.50


m(h) = 5.50h; $20.63

Answer:

For this case, the first thing we must do is define a variable:

h: number of hours worked.

We now write the equation that models the problem:

So, for 3 hours and 45 minutes we have:

Remember that we have the following conversion:

1 hour = 60 minutes

Substituting values:

Answer:

Crystal earns about:

m = $ 20,625

Step-by-step explanation:

Answer:

1) Required equation  

2)Crystal earns $20.625 in 3 hours and 45 minutes.

Step-by-step explanation:

Given : Crystal earns $5.50 per hour mowing lawns.

To find :

1)  Write a rule to describe how the amount of money m earned is a function of the number of hours h spent mowing lawns.

It is given that Crystal earns $5.50 per hour mowing lawns.

Let m is the amount of money earned

and h is the number of hours spent

So, The equation form by the statement is

2) How much does Crystal earn if she works 3 hours and 45 minutes

1 hour=60 minutes

So, for 3 hours and 45 minutes

In 1 hour she earn $5.50

In 3.75 hours she earn  

Crystal earns $20.625 in 3 hours and 45 minutes.

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