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80% of a smaller number is 4 less than 40% of a larger number. The larger number is 85 greater than the smaller one. The sum of these two number is
Answer & Solution
Correct Answer:
Option
C
Let the smaller number be x and larger number be y
According to the question,
80% of x + 4 = 40% of y
4y - 8x = 40
y - 2x = 10 --------- (1)
y - x = 85 ----------- (2) By using (1) and (2), we get
x = 75
y = 160
x + y = 235
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