SOLUTION: Sara played the piano 3 days in a row. Each day she played twice as long as the previous day. If she played 24 minutes on the last day, how long did she play on the first?
I kno
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Question 834858: Sara played the piano 3 days in a row. Each day she played twice as long as the previous day. If she played 24 minutes on the last day, how long did she play on the first?
I know the answer is 6, I just can't figure how to show the work.
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
work backwards
3rd day 24
2nd day 12
1st day 6
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