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There are 50 coins of two different denominations, two-rupee and five-rupee, in a box. If the number oftwo-rupee coins is 10 less than that of five-rupee coins, find the number of coins of each denominationAlso, find the amount in the boxPanin if they together scored 15 point |
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Answer» Step-by-step explanation: LET the no of Rs 2 COINS be x and the no of Rs 5 coins be y. x + y = 36 … (1) 2x + 5y = 84 … (2) Multiplying (1) by 2 : 2x + 2y = 72 … (3) Subtracting (3) from (2) : => 2x + 5y - 2x - 2y = 84 - 72 => 3y = 12 => y = 4 So, the no of Rs 5 coins are 4. Hope this helps you... Please MARK it as brainliest!!! |
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