let his monthly salary be x
x - x/5 - x/8 = 1161
multiply each term by 40, the LCD
40x - 8x - 5x = 46440
....
your turn
if ryan has $1161 left after spending 1/5 of the monthly salary for rent and 1/8 of his monthly salary for his credit card bill, what was his monthly salary
2 answers
1/5 + 1/8 = 8/40 + 5/40 = 13/40 spent.
1-13/40 = 40/40 - 13/40 = 27/40 left.
27x/40 = 1161
X =
1-13/40 = 40/40 - 13/40 = 27/40 left.
27x/40 = 1161
X =