Respuesta :

1/4 * 28/1
take out the common factor of 4

1/1 * 7/1 = 7

3/8 * 72/1
take out the common factor of 8

3/1 * 9/1 = 27

Start by converting to percentages.

1/4 = 25%, 25% of 28 = 7
3/8 = 37.5%, 37.5% of 72 = 27

So it is simply 7 multiplied by 27 which is 189.

Your answer is 189.