Question

Heena has only Rs.2 and Rs.5 coins in her purse. If in all she has 80 coins in her purse amounting to Rs.232, find the number of Rs.5 coins.(This is a linear equation question)
Hint: 2(80-x) +5x = 232

Answer 1

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Heena has only Rs.2 and Rs.5 coins in her purse. If in all she has 80 coins in her purse amounting to Rs.232, find the number of Rs.5 coins.

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GIVEN :-

Total number of coins=80

Let number of. Rs 2 coins=x number of Rs 5 coins = 80-x

꧁According to QuEStiON꧂,

➪2x+5(80−x)=232

➪2x+400−5x=232

➪−3x=232−400

➪−3x=−168

➪x=56

✈︎Number of Rs 5 coins = 80-x = 80 -56=24

✈︎Number of Rs 5 . coins= 24