Question

If these two shapes are similar, what is the measure of the missing length n?

Answer 1

60

Explanation:

if we simplify 96/72 we get 4/3

now we can use it for n and 80 we know that 80 is the longer one so 4 is 80 in this case, now 80/4 equals 20, 3 x 20 = 60