Answer:
0.3 or 3/10
Step-by-step explanation:
If = 6, then p must be 0.5 (since 3/[1/2] is also 3x2).
If = 15, then q must be 0.2 (since 3/[1/5] is also 3x5).
p - q would be 0.5 - 0.2, which means the final answer is 0.3 (3/10).
The function c(r)=2r+12.5 represents the cost c, in dollars, of riding r rides
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