sarahsingleton1 sarahsingleton1

01-12-2016
Mathematics

contestada

Jake earned $430 in interest on a $2500 investment after 18 months. What was the annual interest rate? (round to the nearest whole percent)

Respuesta :

apologiabiology apologiabiology

01-12-2016

I=PRT
I=interest
P=principal=investment
R=rate in decimal
T=time in years
remember 12 months per year

given
I=430
P=2500
R=?
T=18/12 years=1.5years

430=2500 times r times 1.5
430=3750r
divide both sides by 430
0.1146666=r
11.4666%
11%

Answer Link

mikehallusarmy mikehallusarmy

01-12-2016

17% interest rate will give you 425 dollars

Answer Link

Otras preguntas

example of A function whose domain is [2, infinity]

Which of the following human activities can increase the risks of flooding? a. cultivation b. planting trees c. soil management d. widening rivers

Amphibians can breathe through their skin. True False

Which of the following human activities can increase the risks of flooding? a. cultivation b. planting trees c. soil management d. widening rivers

the senate refusing to ratify a treaty, the president vetoing a law, and the senate rejecting the nomination of a Supreme Court justice are all examples if

what are the factors of (r+t)(e)

What effect does observing a substance's physical properties have on the substance?

Money managers: A. help people set up budgets to control personal spending. B. typically work for investment banks. C. are on the sell side of Wall Street. D

Which pair of molecules both contain carbon atoms?

Which pair of molecules both contain carbon atoms?