Question
If 70% of (P - Q) is the same as 35% of 80% of (P + Q),
then what is the ratio of Q to P?Solution
ATQ,
Given
70% of (P - Q) = 35% of 80% of (P + Q)
Or, 7 × (P - Q) = 28 × (P + Q) [70% = 7/10, and 35% of 80% = 28% =
28/100]
Or, 7P - 7Q = 28P + 28Q
Or, -21P = 35Q
Or, Q/P = -3/5
Or, Q:P = 3:5
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