khaylaniBrewer khaylaniBrewer
  • 21-12-2020
  • Mathematics
contestada

Maria earned $126 in simple interest from her savings account. If she invested $450 for 7 years, what was the interest rate?
4%

4.5%

3.5%

5%
​

Respuesta :

clarch19
clarch19 clarch19
  • 28-12-2020

Answer:

answer is 4%

Step-by-step explanation:

use formula Interest = Principal x Rate x Time

126 = 450 · 7 · r

126 = 3150 r

r = .04

Answer Link

Otras preguntas

Re-write the set W by listing its elements. Use the appropriate set notation. W= { x / x is an integer and x > 3}
What does E mean in pre-algebra
A train travels 20 feet in 1/5 second. At  this same speed, how many feet will it travel in three seconds? Please show solutions on how to solve the problem ste
which should not be part of scientific inquiry?1. bias2.analysis3.hypothesis4.testing
How does the scientific process generally begin?
how do you write 100,203 in two other forms
I know how to do equivalent fractions but idk how to do this one
what helps supply energy from the cell
Aztec civilization, Roman Empire, reign of the czars in Russia. What were 2 similarites between them?
Solve (x+5)+4=16 by first subtracting 4 and then 5. Show your work and justify each step.