Kenny spent $120 of his allowance on the food, 2/5 of the remainder on stationery and saved the rest. He saved 1/3 of his allowance. How much was Kenny’s allowance? *
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Answer:
Kenny's allowance was $180
Step-by-step explanation:
total allowance =T
T=food +stationary+saving
T = 80+2/5 (T-80) +1/3 T)
(multiply both sides by 15 to clear fractions!)
15 (T) = 15(80+2/5(T-80)+1/3 T)
10 T= 720+6 T
10 T - 6 T =720
4T = 720
T = 720:4
T = 180
therefore Kenny allowance was $180
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