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22 November, 21:19

Dave wants to buy a bike for $180. He has $40. Dave mows lawns for $10 per lawn. a. Write an equation that can be used to find x, the number of lawns Dave needs to mow to have enough money to buy the bike.

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  1. 22 November, 21:36
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    Answer: x=14

    Equation: 40+10x=180

    Reasoning: First subtract 40 from both sides (40-40 and 180-40)

    10x=140

    Now divide both sides by 10 (10x/10 and 140/10)

    x=14
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