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30 May, 02:09

You are saving for a skateboard that costs $125. Your aunt gives you $45 to start and you save $3 each week. The expression 45 + 3w gives the amount of money you save after (w) weeks.

a. How much will you have after 4 weeks, 10 weeks, and 15 weeks? Show your work.

b. After 20 weeks, can you buy the skateboard? Explain your answer.

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  1. 30 May, 02:13
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    4 weeks = $57

    45+3 (4)

    45+12=57

    10 weeks = $75

    45+3 (10)

    45+30=75

    15 weeks = $90

    45+3 (15)

    45+45=90

    20 weeks=$105

    No there is not enough money because you are $20 short after 20 weeks. You need to wait 7 more weeks
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