a. Suppose your allowance doubles every week. This week you receive $2.56. How much will your allowance be three weeks from now? How much was your allowance three weeks ago? (please show work)
b. From a parent's point of view, is doubling your allowance each week a good plan? Explain.
b. From a parent's point of view, is doubling your allowance each week a good plan? Explain.
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A) 3 weeks from now
Week 1 - $2.56 x 2 = $5.12
Week 2 - $5.12 x 2 = $10.24
Week 3 - $10.24 x 2 = $20.48
3 weeks ago
1 week ago - $2.56 / 2 = $1.28
2 weeks ago - $1.28 / 2 = $0.64
3 weeks ago - $0.64 / 2 = $0.32
B) Of course it isn't a good idea!! They'd be broke by the end of the year... -_-
Week 1 - $2.56 x 2 = $5.12
Week 2 - $5.12 x 2 = $10.24
Week 3 - $10.24 x 2 = $20.48
3 weeks ago
1 week ago - $2.56 / 2 = $1.28
2 weeks ago - $1.28 / 2 = $0.64
3 weeks ago - $0.64 / 2 = $0.32
B) Of course it isn't a good idea!! They'd be broke by the end of the year... -_-
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3 weeks from now: 2.56+2.56=5.12+5.12=10.24
3 weeks previous: 1.28, .64, .32
3 weeks previous: 1.28, .64, .32