Question 104591
(8s+8)/s^2 is ok.
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d=rt distance = rate*time
f=freeway rate
15=(f+8)t...t=15/(f+8)
10=ft...t=10/f
10/f=15/(f+8)
10(f+8)=15f
10f+80=15f
5f=80
f=16
16+8=24 on side roads
UR RIGHT!!!
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Ed