Question

please solve it.......only use one variable ​

Answer 1

Hey mate!

Here's your answer!!

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Let's first clear this, here p is “paise”.

Total money = ₹29

Now, let the number of 50 paise coins be x and the number of 20 paise be (76 - x).

According to the situation,

50x + 25(76 - x) = 2900 paise (₹29)

∴ 50x + 1900 - 25x = 2900

∴ 25x = 2900 - 1900

∴ 25x = 1000

∴ x = 1000/25

∴ x = 40

Therefore, the number of coins of 50 paise is 40 and the the number of coins of 25 paise is (76 - 40) = 36.

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