joannachavez12345
07.01.2022 •
Mathematics
If the simple interest on $3,000 for 8 years is $1,680, then what is the interest rate?
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Ответ:
I= prt
Where I is the amount of money you earned or pay in interest
p is the principal, the amount you deposited or borrowed
r is the interest rate expressed as a decimal
t is time in terms of years
In this problem, I= 1,680
p= 3000
t= 8
'. r is what we are looking for.
Substituting the numbers into the simple interest formula, we get
I=. p r t
1,680=(3000)(r)(8). Multiplying
1,680= 24,000r Divide both sides by 24,000
0.07= r
So, the percentage is (0.07)(100)= 7%...
Ответ:
625.
Step-by-step explanation:
The square numbers are 1 4 9 16 25 36
The 5th is 25 so the product is 25 * 25
= 625.