Arthur knows that if he invests $1000 in a bank account, in one year he'll earn $15 in interest. If Arthur invest $24,500
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Answer:
D. 80
Step-by-step explanation:
We have the following function :
(I)
Where is the monthly fee for after - school care and preschool.
Where represents the number of hours spent in after - school care.
We know that the total monthly bill for one child was $750 ⇒
Using (I) we will find the value of the hours '''' that verifies the expression ⇒
⇒
We find that the value of the hours '''' is 80 hours.
The total number of hours the child spent in after - school care is D. 80