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14/12/2020 11:51 am
The total number of trees in forest P and Q is 560. After 3/7 of the trees in forest P and 100 trees in forest cut, the ratio of the number of trees in P to Q becomes 1: 4. find the number of trees in forest Q before the cutting of trees.
A. 420
B. 416
C. 418
D. 120
18/12/2020 12:29 pm
Option D
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