SOLUTION: John spent 1/2 of his money in the supermarket and 1/3 in the store, what fraction of the money does he have left? And if he has $100 how much money did he originally have?

Question 1207299: John spent 1/2 of his money in the supermarket and 1/3 in the store, what fraction of the money does he have left? And if he has $100 how much money did he originally have?

Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!

let original amount John had be
John spent of his money in the supermarket: so, we have
and
in the store: so, we have

he spent total of and still has $
sum of all he spent and he still have must be equal to original amount

....solve for

John originally did have $

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