If j is the number of integers between 1 and 500 that are divisible by 9 and k is the number of integers between 1 and 500 that are divisible by 7 what is j+k.

1 answer

500/9 = 55.5
so there are 55 from 9 to 495
j = 55

500/7 = 71.4
so there are 71 from 7 to 497
k = 71