supjahmwhdb638 supjahmwhdb638 07-05-2021 Mathematics contestada Mr. Harmon ordered calculators for his math class to use. He ordered a case of 24 calculators and paid a total of $199.20. What is the unit rate per calculator that Mr. Harmon paid? $4.78 $8.30 $12.05 $17.52 HELP ME PLEASE