SOLUTION: Samuel saves two cents the first month and every later he doubles the amount. How much will he save after two years?
a) How much will Samuel save in the 9th month?
b) How much
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-> SOLUTION: Samuel saves two cents the first month and every later he doubles the amount. How much will he save after two years?
a) How much will Samuel save in the 9th month?
b) How much
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(a) Use the formula for the sum of an geometric progression.
His saving after two years (=24 months) is = 33554430 cents.
(b) Use the formula for the 9-th term of the geometric progression
Samuel will save in the 9-th month = 512 cents.
(c) Use the formula for the sum of an geometric progression.
His saving after a year and half (=18 months) is cents.
