The number 90 is divided into two parts such that one-fourth of one part equals one-fifth of the other. What is the larger part?
Correct answer A. 50
Explanation
x/4 = y/5 gives x : y = 4 : 5. So the parts are 90 x 4/9 = 40 and 90 x 5/9 = 50; the larger is 50.
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