Question

Some book are to be shared between 2 schools A and B in the ratio of 4:7 if school B received 90 books more than school A, calculate

Answer 1

Answer:

it is very easy so focus

Step-by-step explanation:

$\frac{a}{b} = \frac{4}{7}$

b is more than a by 90

$\frac{a}{a + 90} = \frac{4}{7}$

$7a = 4a + 360$

$3a = 360$

$a = 120$