GaryTheSnail GaryTheSnail
  • 10-03-2017
  • Mathematics
contestada

Jennifer earned $249.60 in 6 1/2 years on a $640 investment. What was the simple interest rate?

Respuesta :

rarrininger
rarrininger rarrininger
  • 10-03-2017
I = P x R x T

$249.60 = $640 x R x 6 1/2

$249.60= 4160 x R

$249.60/4160 = 4160 /4160 x R

R= .06 * 100 = 6%

Check
I = P x R x T
$249.60 =$640 x 6% x 6 1/2
$249.60 = $249.60
Answer Link
Aliwohaish12
Aliwohaish12 Aliwohaish12
  • 10-03-2017
R=i/pt
R=249.6/640*6.5
R=0.06*100=6%
Answer Link

Otras preguntas

what type of organizations parttern is used here​
state Stoke's theorem​
What do the numbers 3 and 4 refer to in 3NH4?
What is the length of the blue segment in O below?
A block is moving at constant speed due to a horizontal force pulling to the right. The coefficient of kinetic friction, Hk, between the block and the surface i
Type of cotton that could be grown in much of the South
According to the Declaration of Independence, what are the three most important rights a person has?
The area of a triangle is 24 square feet. If the base is 4 feet what is the height of the triangle O 12ft O 8ft O 6ft O 3ft
Samuel has 5 bags of almonds. A full bag weighs 3 pounds. How many pounds of almonds does Samuel have? (Multiply) A.15 Pounds B.12 pounds C.8 pounds
Fiscal conservationism is the belief that government should not have large debts and that government programs should not be paid for on borrowed money. How coul