Seudónimo Seudónimo

03-02-2017
Mathematics

contestada

You put $400 in an account. The account earns $18 simple interest in 9 months. What is the annual interest rate?

Respuesta :

apologiabiology apologiabiology

03-02-2017

I=PRT
Interest=Principal times Rate time Time
time is in years and rate is in decimal

I=18
P=400
T= 9/12=3/4=0.75
R=?

18=400*R*0.75
18=300*R
divide both sides by 300
0.06=R

rate is 6%

Answer Link

Otras preguntas

Coal and rivers provided energy to run industry in the United States. True False

Medications are often the complete solution for curing those with a mental health disorder. True or false

The change in the wind patterns on the Earth that causes an increase in ocean temperature is: a. El Niña c. La Niña b. El Niño d. La Niño

what is 1/10 as much as 100?

A help desk with 8 employees takes up to 200 calls per hour. If every employee works 8 hours per day, how many phone calls can each person take in his or her wo

The sum of two numbers is 100, the difference between the two numbers is 26. What is the number that is less?

Which countries had no imperialistic (empire-building) motives for entering World War II? United States Great Britain Russia Germany

Three animals that block Dante's path when he first wakes up in the forest?

Did Molly Pitcher's husband die during revolutionary war (sorry if I got the war wrong)

A wall, blockade, and airlift were all a part of which city during the Cold War? Moscow Berlin Brussels London