Likir7kyD6aniyahw
Likir7kyD6aniyahw Likir7kyD6aniyahw
  • 02-06-2016
  • Mathematics
contestada

A $5000 investment earns $1575 simple interest in three years. What is the annual interest rate?
a. 1.05%
b. 3.15%
c. 10.5%
d. 31.5%

Respuesta :

apologiabiology
apologiabiology apologiabiology
  • 02-06-2016
I=PRT
P=principal
I=interest
R=rate
T=time in years

Principal=5000
Interest=1575
R=?
T=3 years

I=PRT
1575=(5000)(R)(3)
1575=15000(R)
divide both sides by 15000
0.105=R
we need to covert to percent
x%=x/100
0.105/1 times 100/100=10.5/100=10.5%

answer is C
Answer Link

Otras preguntas

Good 6 word memoir for maya angelou I know why the caged bird sings
How do you simplify 3/9
true or false ''Tissues are made up of organs.''
1. Describe one major difference in human behavior before and after the Agricultural Revolution, 10,000 years ago
What is 8/16 in simplest form
A cell begins to send out incorrect chemical signals to neighboring cells. During which phase of the cell cycle did the cause of the change most likely happen?
Why does friction make it harder to move things?
how do you say goodbye in Chinese
Why might the construction of the roads have been so important to the spread Christianity throughout the Roman Empire?
why is the understanding of classification an important life skill