A self-serve car wash charges $5.87 to use its facilities, plus an additional $0.59 for each minute the customer is at the self-
serve car wash. If Tiffany was at the car wash for 8 minutes, how much was she charged?
1 answer:
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The time taken by Jill and Cheryl to double their money is 12 years and 18 years respectively.
<h3>What is Algebra?</h3>Algebra is the study of mathematical symbols and the rule involves manipulating these mathematical symbols.
Jill invested $500 in an account with a compound interest rate of 6%.
Cheryl invests $600 in an account with a compound interest rate of 4%.
The number of years each doubles their money. Using the relation of 72.
where r is the interest rate and t be the time
The time for the Jill will be
The time for the Cheryl will be
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