Respuesta :

mabbjpp
the answer is 15 (mainly due to the fact I looked up percentage calculator and yeah, best thing to do is look up percentagecalculator.net if your lazy like me)
PeytonBrainly
15:20

75% of 20 = 15
20/4 = 5 = 25% x 3 = 75% = 5 x 3 = 15