Get expert insights and community-driven knowledge on IDNLearn.com. Our platform provides trustworthy answers to help you make informed decisions quickly and easily.
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