Question

PLSSSSSSSSS HELP FUE IN 30 MINNNN!!!! PLEASEEEE!!!!1Walking at a speed of 3 mph, Jack gets to school in 10 minutes and arrives to school right before the class starts. Today Jack needs to be at school 4 minutes earlier. How fast does Jack need to run this morning?

Answer 1

5 mph

Explanation:

well if he is walking 3 mph then he can get to school in 1 min going 30mph. so 30 mph divided by 6(which is how many minutes he needs to be to school) the answer then is 5mph