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

what is a high structure part of a church which has 5 letters
what's another word for over thinking?
What are the functions of receptors in our body? Think of a situation where receptors do not work properly. What problems are likely to arise?
The function of the eardrum in the middle ear is to
Why is sodium sulphate hemihydrate called as "Plaster of Paris"?
What is the amplitude of y=1/2 sin2x
how do you write 4540 million in standard form?
What is the amplitude of y=1/2 sin2x
you have a standard deck of 52 cards. you pick one card and then, with out putting the first card back, you pick a second card. what is the probability that bot
What are the functions of receptors in our body? Think of a situation where receptors do not work properly. What problems are likely to arise?