I have a total of Rs 300 in coins of denomination Rupees 1 Rs 2 and Rs 5 the number of Rs 2 coin is 3 times the number of 5. The number total number of coin is 160 how many coins of is domination are with me
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Answer:
Step-by-step explanation:
let the no. of 5 Rs. coins be x
no of 2 Rs. coin = 3x
no of 1 Rs. coin = 160 - ( 3x + x)
= 160 - 4x
5x + 2* 3x + 1 (160 - 4x) = 300
5x + 6x + 100 - 4x = 300
7x = 300 - 160
7x = 140
x = 140/7= 20
No of Rs. 5 coins = 20
No. of Rs. 2 coins = 60
No of Rs. 1 coins = 80
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Step-by-step explanation:
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