2) John saved $5 in the first week of a year and then increased her weekly savings by $1.75. If the nth week, her weekly savings become $20.75, find n.

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MUNGAI NJOROGE asked May 13, 2022

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2) John saved $5 in the first week of a year and then increased her weekly

savings by $1.75. If the nth week, her weekly savings become $20.75, find n.

Mathematics
high-school

MUNGAI NJOROGE asked May 13, 2022

by MUNGAI NJOROGE

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Answer:

n = 9

Explanation:

20.75 = 1.75n + 5

20.75 - 5 = 1.75n

15.75 = 1.75n

------- -------

1.75 1.75

9 = n

Scrfix answered May 19, 2022

by Scrfix

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