Question

5/15=n/21 Help please I don't know the answer for N

Answer 1

7

Explanation:

5÷5=1

15÷5=3

thus,

5/15=1/3

1/3=n/21

n=?

21÷3=7

n=7

Answer 2

7

Explanation:

5/15=1/3

21÷3=7

1×7=7

3×7=21

n=7