Question

1/4 of a number is increased by seven and the result is multiplied by three.Thus we of obtain 36 . Find the number

Answer 1

let the number be x

(1/4×X)+7×3=36
X/4+21=36
X/4=36-21
X=15/4
now the question tells us that One by fourth of 15 by 4 is increased by 7 and the result is multiplied by 3 then we obtain 36

Answer 2

(x*1/4+7)3=36
3x/4+21=36
3x/4=36-21=15=1
x=15*4/3=20