Question

1/5 of a number exceeds 1/7 of yhe same number by 10. thr number is?

Answer 1

Let the number be x

$\dfrac{1}{5} x- \dfrac{1}{7}x = 10$

$\dfrac{7}{35} x- \dfrac{5}{35}x = 10$

$\dfrac{2}{35} x = 10$

$x = 10 \div \dfrac{2}{35}$

$x = 10 \times \dfrac{35}{2}$

$x = 175$

Answer: 175