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Grade 7 math · P.1 · Equation word problems

Word problems: a plant grows each week

Write an equation for the situation, then solve it.

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  1. A plant is 5 cm tall and grows 2 cm each week. After how many weeks is it 17 cm tall?

    Answer: 6

  2. A plant is 15 cm tall and grows 5 cm each week. After how many weeks is it 70 cm tall?

    Answer: 11

  3. A plant is 3 cm tall and grows 5 cm each week. After how many weeks is it 23 cm tall?

    Answer: 4

Tip: Write an equation for the situation, then solve it.

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