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Tammi is planning to buy a video game system for $310. Each month she doubles the amount she saved the previous month. If she saves $10 the first month, in how many months will Tammi have enough money
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Tammi is planning to buy a video game system for $310. Each month she doubles the amount she saved the previous month. If she saves $10 the first month, in how many months will Tammi have enough money to buy the video game system?

User Nevercom
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7.3k points

2 Answers

2 votes

Answer-

10 + 20 + 40 + 80 +160

5 months

User Lukas Nespor
by
7.4k points
7 votes
10+20+40+80+160
5 months
User Eran Shabi
by
7.5k points
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