Question

divide 16 into two parts such that one part is 3 times the other.

Answer 1

so its mean ratio of 2 parts is 3:1
so total is = 4 than
16/4 = 4 than 3×4 = 12 and 1×4 = 4

Answer 2

let the smaller part be x
larger part 3x
x+3x=16
4x=16
x=16/4
x=4
one part 4
other part 4×3=12