Jon can do 64 pushups in 4 minutes. Paul can do 45 in 3 minutes. Whos rate is faster?

Jon can do more push ups faster based on information provided.  

Step-by-step explanation:

In order to compare both Jon and Paul find a common rate at which the can do push ups.  In our problem let's use minutes as the rate.

Jon (rate in minutes):

64/4 or 16 push ups/minute

Paul (rate in minutes)

45/3 or 15 push ups/minute

Thus based on rate per minute Jon can do one (1) more than Paul per minute.

the correct answer is 5 6 and 7

answer: all of the odd numbers were opened

the first person was the one that was opening all of the lockers. since one is odd, this causes all of the odd number lockers to be opened in the end.