You put .875 over the number 1 to make it a fraction so 
A local movie theater charges $12 for an adult ticket and $10 for a child's ticket. a group of eight people spent a total of $86
1 answer:
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Answer:
Step-by-step explanation:
Given
Required
Determine the area in terms of time
From the question, we have:
-> radius per time
and
--> area from radius
The interpretation of the question is to find the composite function: a(t)
If , and
, the
Substitute 0.5t for r