Marvin used the money he received from high school graduation gifts to start a new
savings account with a simple interest rate of
7.5%. After 12 years, the account had
earned $288. If there were no other deposits
or withdrawals, what was the original
amount placed in the account?
A. $240
B. $275
C. $320
D. $360

Me its important ! marge runs an ice cream parlor. her speciality is triple chocolate sundaes.she can prepare 1 sundae every 2 minutes, and she earns $1.20 for each sundae she makes . if she just makes sundaes for a single shift of at most 4 hours and at least 2 hours , which function relates her earnings to the number of minutes she works?