Question

All numbers divisible by 20 and 13 are also divisible by which of the following?

83
191
81
130
70

Answer 1

None of the above

Answer 2

Nvm is might be wrong

Answer 3

Yeah one of them must be an answer

Answer 4

@calcmathelete

Answer 5

130 is the answer

Answer 6

Wnaa know why?

Answer 7

Yush!

Answer 8

Okay so you must muliply 20 and 13

Answer 9

Then see which can be divisble by 260

Answer 10

Get it?

Answer 11

I thought you have to do the prime factorization of each number...

Answer 12

Thats a diferent method

Answer 13

It would work also

Answer 14

There prime factorization in my way

Answer 15

This seems a bit easier. I'll try it for the next problem...

Answer 16

Okay :D

Answer 17

Yeah! It WORKED! You're a genius! :D

Answer 18

Thank you!

Answer 19

yw np