Question

If 3/5of a exceeds its 2/7 by 44,find the number.

Answer 1

Let the number be x.

$x \times 3/5 = x \times 2 / 7 + 44 \\ 3x/5 - 2x/7 = 44 \\ (21x - 10x)/35 = 44 \\ 11x = 44 \times 35 \\ x = (44 \times 35)/11 \\ x = 4 \times 35 \\ x = 140$