Solve the following:
Irfan says that he has 7 marbles more than five times the marbles Parmit has. Irfan has 37 marbles. How many marbles does Parmit have?
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Solution
Let the number of marbles Parmit has be m.
According to the question,
5m+7=37 5m=37−7 ⇒ 5m = 30 ⇒m=305 ⇒ m = 6
Thus, Parmit has 6 marbles.