There are obviously 70 multiples of 3 (210/3 = 70)
So, how many multiples of 9 are there?
Figure the difference.
{ 1,2.3,..........,210 }
How many numbers in the above set are multiples of 3 but not 9 ?
a. 46
b. 47
c. 48
d. 69
e. 70
please answer and explain
3 answers
210/9=23.333
so 70-23 =47
answer b ?
so 70-23 =47
answer b ?
Looks good to me.