C
Because .75 times 9 would give you the price of the books and then you would have to add C, the amount left to get to 20.
Answer:
Step-by-step explanation:
"Inversely proportional to x" in this situation is represented by a = k/x.
Find k:
Let a = 15 and x = 25, then calculate k:
15 = k/25)
Multiplying both sides by 25 yields k = 15(25), or k = 3/5
3
and so a = -----------
5x
Answer:268.08
Step-by-step explanation:
The answer is C because a fraction is part of the whole, therefore making. The answer less than the whole number