Ritu has three times as many 2 rupees coins as she has 5 rupees coins. if she has in all rupees 77. find how many coin of each denomination does she had
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no. of 5 rupee coin let it be x. so she had 5x rupees.
2 rupee coin=[according to question]2x rupees
sum is given as 77
so,
5x+2x=77
7x=77
x=77/7
x=11..
2 rupee coin=[according to question]2x rupees
sum is given as 77
so,
5x+2x=77
7x=77
x=77/7
x=11..
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