If 50% of (xy) = 40% of (x+y), then what % of x is y? |
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a) |
11% |
b) |
10% |
c) |
13% |
d) |
21% |
If 50% of (xy) = 40% of (x+y), then what % of x is y? |
|||||||
a) |
11% |
b) |
10% |
c) |
13% |
d) |
21% |
WE have, 50% of of
∴ of (as 100% of of
Alternate Method:
As 50% of …(i)
Now say of (using (i))
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