I have some 5 rupee coins and some 2 rupee coin s. the number of 2 rupee coins is four times that of 5 rupee coins. if I have rupees 117 in all find the number of coins of each denomination.
Answers
Answered by
4
Answer:
two rs coins = 36
five rs coins = 9
Step-by-step explanation:
number of two rs coin = x
number of five rs coin = y
2x + 5y = 117
x = 4y
2(4y) + 5y = 117
8y + 5y = 117
13y = 117
y = 117/13
y = 9
2x + 5y = 117
2x + 5(9) = 117
2x + 45 = 117
2x = 117 - 45
2x = 72
x = 72/2 = 36
Answered by
0
Answer:
answer is correct
Step-by-step explanation:
i have the correct answer so this answer is correct
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