If x/y=5/7 and 8x+13y=655, then find the value of y.
Answers
Answered by
2
Answer:
from 1st equation
x= 5y/7
8(5y/7) + 13y = 655
40y/7 + 91y/7 = 655
131y= 4585
y = 35
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Answered by
2
Answer:
y = 35
Step-by-step explanation:
x/y = 5/7 ......(1)
=> x = 5y/7
8x + 13y = 655 ......(2)
Substituting the value of x in equation 2, we obtain,
8(5y/7) + 13y = 655
=> 40y/7 + 13y = 655
=> 40y+91y/7 = 655
=> 131y = 655*7
=> y = 4585/131
=> y = 35 (answer)
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