Answer:
hello
Step-by-step explanation:
A) total number of jumps (40) by the total number of hours (5):
Unit rate = Total jumps / Total hours
Unit rate = 40 jumps / 5 hours
Unit rate = 8 jumps/hour
B) how many jumps Ken can do in 10 hours ?
Number of jumps = Unit rate * Number of hours
Number of jumps = 8 jumps/hour * 10 hours
Number of jumps = 80 jumps
Ken can do 80 jumps in 10 hours.
