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10 July, 03:14

A reforestation drive is conducted in a town. The own has 2,214 trees at the start of the drive. Four months after the start of the reforestation drive, the town had 4,770 trees.

If n represents the number of months and T represents the number of trees, which of the following equations can be used to model this situation?

A. T = 2256 + 2214n

B. T = 2214n + 639

C. T = 639n + 2214

D. T = 639n - 2214

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  1. 10 July, 05:00
    0
    c) T = 639n + 2214 is the correct option

    Step-by-step explanation:

    Number of months: n

    Number of trees: T

    Trees at the start of the drive: 2214

    The town had 4770 trees after 4 months:

    Trees added during four months: total trees - trees at the start of the drive

    = 4470 - 2214 = 2556

    Trees added during 4 months are 2556 which means trees added in each month were: 2556 / 4 = 639

    Trees were planted each month = 639

    Trees planted in n months become: 639n

    Total trees become: Trees at the start + Trees planted in n months

    T = 639n + 2214
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