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Maru [420]
3 years ago
5

On Saturday, Mrs. Armour bought 7 pairs of socks for $3 each, and a sweater for her dog for $12. Then she found a $5 bill on the

sidewalk. Over the coarse of Saturday, what was the change in the amount of money Mrs. Armour had?
Mathematics
1 answer:
Ksenya-84 [330]3 years ago
7 0
Its equal to 38 Dollars
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At 1 p.m., the number of cars in a parking lot is 78. Given the formula found in the first part of the question, An=78⋅1.09n, es
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Answer:

At 6 p.m., the number of cars in a parking lot is 120

Step-by-step explanation:

At 1 p.m., the number of cars in a parking lot is 78.

Given,

A_n=78\cdot 1.09^n

Note that

A_0=78\cdot 1.09^0=78\cdot 1=78

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Thus,

A_5=78\cdot 1.09^5\approx 120

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