Answer: 270
Step-by-step explanation: 20 mins = 10 jumps now 20x3 is 60 which is an hour so in an hour he would have jumped 30 times and if you times 30 with 9 you would get 270 hence your answer
Take notes and pay attention since just slacking off for only 10 minutes can get you behind and struggling.
Answer:
99,999
Step-by-step explanation: