abi decided to save a certain amount of her monthly salary each month and her salary was unchanged from month to month . if abi ' s savings by the end of the year from these monthly savings were 6 times the amount she spent per month , what should be the fraction of her salary that she spent each month ?
Select the correct option
A) 6 / 9
B) 5 / 3
C) 2 / 3
D) 4 / 3
E) 5 / 3

Rationale: let abi ' s monthly savings = s abi ' s monthly pay = p abi ' s monthly expenditure = p - s abi ' s savings by the end of the year from these monthly savings were six times the amount she spent per month 12 s = 6 * ( p - s ) = > 2 s = p - s = > p = 3 s abi ' s monthly expenditure = p - s = 3 s - s = 2 s fraction of her salary that abi spent each month = 2 s / 3 s = p - s / p = 2 / 3 . answer is c
Answer: C