Question

The ratio of two number is 7:10 and their difference ia 105 the number are

Answer 1

$\frac{x}{y} = \frac{7}{10} \\ x - y = 105 \\ \frac{7}{10} y - y = 105 \\ y = 1050 \div - 3 \\ y = - 350 \\ x = \frac{7}{10} \times 350 \\ x = 245$