Question

divide 84 into two parts such that 1/3 of one part equal to 1/4 of the other part.

Answer 1

Let one part be x
and another part be 84-x
(1÷3)x = (1÷4)84-x
(4÷3)x = 84-x
4÷3x+x = 84
7x÷3 = 84
7x = 84×3
x = 84×3÷7
x = 36
One part = 36
another part = 84-36 = 48