I have a total of rs 300 in coins


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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

Answered by admin @



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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