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katovenus [111]
2 years ago
7

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.
Mathematics
1 answer:
AnnZ [28]2 years ago
5 0

Answer:

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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