Rashi has 3 times as many two-rupee coins as she has 5 rupee-coins. If she
has in all sum of Rs77, how many coins of each denomination does she
have?
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Answer:
rashi has two rupee coins =3x+2
rashi has five rupee coins=3x+5
according to condition
3x+2+3x+5=77
6x+8=77
6x=77-8
6x=69
x=69÷6
x=11.5
two rupee coins =( 3×11.5)+2
=36.5
five.rupee coins=(3×11.5)+2
=39.5
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