Question

75 is divided into two parts so that the smaller part is 4 times to the greater part the smaller part will be

Answer 1

let the smaller number be X
then greater number be 4x

then

X +4x = 75

5x = 75

X = 15

smaller number 15
greater number 15×4 = 60

☺

Answer 2

(4x)+x =75
5x=75
x=15
hope it helps.
smaller part is 15