paolaviviana
18.08.2019 •
History
What options did a second son have for a career in medieval society?
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Ответ:
D. 80
Step-by-step explanation:
We have the following function :
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