# math

You finally get an allowance . You put \$2 away in January, 4\$ away in February, \$8 away in March, \$16 away in April and followed this saving pattern through to December. How much money do you have in 12 months? Please explain

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1. Google "geometric series" or "sum of geometric series"
here r = 2
and your first value a = 2
and you do it 12 times

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posted by Damon
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posted by Damon
2. 360

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posted by Jenni

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