Kirti has 20 coins that make up a total of 41 in the denomination of 1-rupee,2-rupee, and 5-rupee coins. The number of 2-rupee coins are three times the number of 5-rupee coins. How many 1-rupee coins does Kirti have
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Answer:8
Step-by-step explanation:
Let number of 5 rupee coins be x
Number of 2 rupee coins =3x
Number of 1 rupee coins b 20 - 4x
value by rupee 5 coins=5x
value by rupee 2 coins =6x
value by rupee 1 coins =20 -4x
A/Q
20 -4x +5x + 6x =41
20 - 7x= 41
7x =41-20
x=21/7
x=3
rupee 5 coins=3
rupee 2 coins =9
rupee 1 coins =8
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