Question

Arrange the four numbers to form a proportion that is true. 40, 50, 80, 64.

Answer 1

i think the answer is 40:64 = 50:80

Answer 2

40:64 and 50:80

How?

Let’s do decimals first. 40 divided by 64 is 0.625
50 divided by 80 is also 0.625

And fractions?

Simplify:

40:64 = 50:80
Is also
5/8 = 5/8

Hope this helped :)