You may use a 4-function calculator and the reference ...

A machine takes 8.5 hours to make 24 parts. At that rate, approximately, how many parts can the machine make in 24 hours? 22. Jamie saves 15 cents out of every dollar she earns. Jamie earned 79 dollars last week. How much money did . she save? 23. This stem-and-leaf diagram shows test scores for Mr. Harris’s class. What is the class mean ... ................
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