Question

Minal has a total of 240 in coins of
denominations 1, 2, and 5. The number of
5 coins is 10 more than 2 coins. If the total
number of coins is 100, and there are 50 31
coins, find the number of coins of the other two
denominations with Minal.​

Answer 1

Answer:

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Answer 2

Answer:

Solution:

Let the number of?

2 coins be x. Then, the number of 5 coins is 2x. and the number of? 10 coins = 100 - x- 2x 100 - 3x Given, total money =? 460 = 2x + 5 (2x) + 10 (100 - 3x) = 460 2x + 10x + 1000 - 30x = 460% 3D-18x + 1000 = 460 1000 - 460 = 1 & r% 3D 540 = 18x x = 30 Since x = 30 .. 2x = 2 x 30 = 60 and 100 - 3x = 100 3 x 30 = 10% 3D Hence, there are 30 coins of? 2 denomination, 60 coins of 5 ANS. denomination and 10 coins of 10 denomination in the piggy bank.