The formula A = prt + p gives the amount of money in a savings account due to simple interest. Which of the following formulas gives the time, t, the money has been in the account?
A - p
—
pr
A - 2p
—
r
A - pr
—
p
A + p - r
—
p
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Answer:
[A - p] / pr
Step-by-step explanation:
A = prt + p
=> prt = A -p
=> t = [A - p] / pr
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