A school spends a quator of it's money on books and a third on salaries. If the school spends a fifth of the remainder on transport, the remainig amount was sh.40,000. How much money did the school have at first?

1 answer

1 - 1/4 - 1/3 = 5/12

1/5 of that is 1/12

So, 1/12 of the original amount is 40,000