1470 = [s - (s / 8) - (7s / 24)] / 4
solve for s (salary)
mr. kebu spends 1/8 of his monthly salary in school fees and a third of the remainder on rent. he spends 3/4 of what remained after paying school fees and rent on food. if he remains with 1470 calculate his monthly salary
3 answers
Monthly salary = $X.
x - x/8 = $7x/8 = Bal. after school fees.
7x/8 - 1/3(7x/8) = 7x/8 - 7x/24 = 21x/24 - 7x/24 = 14x/24 = $7x/12 = Bal. after school fees and rent.
7x/12 = 1470.
X = ?
x - x/8 = $7x/8 = Bal. after school fees.
7x/8 - 1/3(7x/8) = 7x/8 - 7x/24 = 21x/24 - 7x/24 = 14x/24 = $7x/12 = Bal. after school fees and rent.
7x/12 = 1470.
X = ?
A student spends 3/8 of her money on food 1/6 on book and 2/5 on rent. What fraction of her money is left to spend on other things?
3 answers