nellydeb7736
03.04.2020 •
Mathematics
Ryan can rake a lawn in 3 hours. Sandra can rake the same lawn in 2 hours. How long, in hours,
will it take Ryan and Sandra to rake the lawn if they work together?
What’s the answe
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Ответ:
9514 1404 393
2.5%
Step-by-step explanation:
Simple interest is computed using the formula ...
I = Prt . . . . for principal P invested at rate r for t years
Using the given values, we can solve for r ...
67.50 = 900r·3
r = 67.50/2700 = 0.025 = 2.5%
Megan's account earned 2.5% interest.