If 2(_9) x (Y3)(_9) = 3(_5) x (Y3)(_5), find the value of Y.
-
A.
4 -
B.
3 -
C.
2 -
D.
1
Correct Answer: Option D
Explanation
The correct answer is 1.
PROVE==> (2×9(^0)) (3×9(^0) + Yx9(^1)) = (3×5(^0))(3×5(^0) + Yx5(^1)).
You multiply to get 2(3+9Y)=3(3+5Y).
You further multiply to get 6+18Y=9+15Y. ==>
Collect like terms 18Y-15Y=9-6.
3Y/3=3/3.
Y=1
Explanation Credit: endowednuel