Kat earns $3.50 an hour walking the dogs.

a) write a rule to describe how the amount of money m earned is a function

b) how much does kat earn if she works 2 hours and 30 minutes?

a) 3.5x

b) $8.75

Step-by-step explanation:

a) x represents the number of hours, and she makes $3.50 per hour, so multiply x and 3.5.

b) 2 hours and 30 minutes can be rewritten as 2.5 hours. Substitute 2.5 in for x and multiply:

3.5 × 2.5 = 8.75

the answer is 1030 it's very simple math.