A box contains x 50 paise coins. 2x one rupee coins and 3x two rupee coins. If total value of these coins is Rs.68..What is the value of x ?..give solution...
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Change 50 paise into rupee
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Number of 50 paise coins = x
number of 1 Rs coins = 2x
number of Rs 2 coins = 3x
Total value of the coins = Rs68
Rs1/2 × x + Rs1 × 2x + Rs2 × 3x =Rs 68
x /2 + 2x + 6x = 68
x /2 + 8x = 6
( x + 16x )/2 = 68
17x = 68 × 2
x = ( 68 × 2 ) / 17
x = 4 × 2
x = 8
The value of x = 8
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