Question
The weight of P is 40% more than Q, and the weight of R
is 120 more than the difference of the weights of P and Q. If R weighs 240, then find P's weight.Solution
Let the weight of Q be y. So, weight of P = 1.40y According to question, (1.40y - y) + 120 = 240 0.40y = 240 - 120 0.40y = 120 y = 120 / 0.40 y = 300 Therefore, weight of P = 1.40 x 300 = 420
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