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Two numbers in the form x/y is in such a way that y is 20% more than x and product of them is 2430. Find the sum of x and y.

A99

B93

C87

D81

Answer:

A. 99

Read Explanation:

y= 120x/100 ….. (1)
xy=2430 … (2)
Substituting (1) in (2), we have
120x
2/100=2430
x
2= 2430*100/120
=2025
x=45
Then, y= 54
Thus, x+y =99


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