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tatyana61 [14]
3 years ago
7

Nancy’s parents gave her $200 to start her savings account. After 5 months of saving, Nancy has $350 in her account. What is the

rate of change of the amount of money in her account each month?
Mathematics
2 answers:
Viktor [21]3 years ago
7 0
Current Amount = Starting Amount (1 + rate of change)^number of months
350 = 200 ( 1 + r)^5
350/200 = (1+r)^5
sqrt5 (350/200) = 1+r
sqrt5 (350/200) - 1 = r
horrorfan [7]3 years ago
5 0
30 dollars every month

200+ 5x = 350

X=30
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The present age of mother and her daughter respectively are; 40 and 10 years respectively.

<h3>How to Solve Algebra Word Problems?</h3>

Let x and y be the present age of mother and her daughter respectively.

Therefore;

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After 20 years, mother's age will be twice her daughter's age at the time. Thus;

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Translation of the question into English is;

The sum of the present ages of mother and her daughter is 50 years. After 20 years, mother's age will be twice her daughter's age at the time. Find their present ages.

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First, we have to derive an expression for translation under the assumption that each point of XYZ experiments the same translation. Vectorially speaking, translation from X to X' is defined by:

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