If 29 x (Y3)9 = 35 x (Y3)5, find the ...
If 29 x (Y3)9 = 35 x (Y3)5, find the value of Y.
4
3
2
1
Correct answer is D
(2 x 9 0 ) (3 x 9 1+ Y x 90) = (3 x 5 0)(3 x 51 + Y x 50).
(2 * 1)(3 *9 + y) = (3 * 1)(3 * 5 + y)
2(27+y) = 3(15 + y)
54 + 2y= 45 + 3y
54 - 45 = 3y - 2y
y=9
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