Answer:
To use the simple interest formula, I = Prt, we substitute in the values for ... Do you know that banks pay you to let them keep your money? ... The rate of interest is usually expressed as a percent per year, and is ... Yes, $90 is reasonable. ... Find the principal invested if $178 interest was earned in 2 years
Step-by-step explanation:
Answer:
56, 57, and 58.
Step-by-step explanation:
40$. 7hrs
X$. 1hr
X=40•1/7
X~5.71 $ per hour