misrachel03
19.12.2019 •
Mathematics
If aldo puts 400 into a savings account that paid an interest rate of 5.4 percent what was the total amount in his account at the end of one year (total amount equals principal plus interest)
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Ответ:
Step-by-step explanation:
we know that
The simple interest formula is equal to
where
A is the Final Investment Value
P is the Principal amount of money to be invested
r is the rate of interest
t is Number of Time Periods
in this problem we have
substitute in the formula above
Remember that Interest is equal to
Ответ:
10/4 = 2.5 mph