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

a student walks 3 miles west and then 4 miles south to get to school the student displacement was
What is the smallest natural number n, greater than 1, for which (1×2×3× . . . ×n) + 01 is not prime?
who: Francisco Vasquez de Coronado what , where , and when:
is -22 an irrational number???
True or False: To convert 50 hectares to acres, divide 50 by 4.05 × 10-1
Fill in the table what is the constant rate?
mars is 1.52 au from the sun . about how many kilometers is mars from the sun
Diffusion is best described as the act of __________.
Which equation describes the line with a slope of -3 and passes through the point (-4,0) and how do you know? a) y+3 = -4(x-7) b) y-7 = -3(x+4) c) y-7 = -4(x+3)
math experts only please help !