Answer:
Jack's linear speed is 126ft/min
Bob's linear speed is 176ft/min
Step-by-step explanation:
First of all, find the circumference of both circles given the radius; Jack, 2<em>pi</em>r (10)=63ft. Bob 2<em>pi</em>r(14)=88ft. Now, realize that the merry go round revolves 2 times per min; 2rpm, so multiply each result by 2 and there you go.
250x+140=y
so amount earned for 10 hours of work is 250
I think C or D
-15 + x
8,16,24,32