Question

I think my answer is wrong... please help me check.

Answer 1

thats correct !

Answer 2

Okay, sweet! Did you get the same answer too?

Answer 3

1 revolution = 2*pi*15 = 30 pi inches :

Answer 4

\(\large \frac{31 * 12~ inches}{second}\)

Answer 5

\(\large \frac{31 * 12~ inches}{second} \times \frac{1 ~ revolution}{30*pi~inches} \)

Answer 6

\(\large \frac{31 * 12~ inches}{second} \times \frac{1 ~ revolution}{30*pi~inches} \times \frac{60~ seconds}{1 ~minute} \)

Answer 7

inches and seconds cancel out
leaving u wid :

\(\large \frac{31 * 12 * 60~ revolutions}{30*pi~minutes} \)