Grade Practice Test | Lumos Learning

Jim has taken a summer job doing piecework which means that he gets paid per piece that he completes. He is working in a broom factory and must complete one step in the process of making a broom.
He gets paid $0.25 for each piece that he completes correctly and loses $0.25 for each one that he does incorrectly. In which of the following cases does he make the most money?

505 correct and 13 incorrect

493 correct and 0 incorrect

499 correct and 2 incorrect

500 correct and 1 incorrect

A. 8 for $26

B. 5 for $30

C. 4 for $15

D. 12 for $39

E. 10 for $45

	Rate	Unit Rate
The earth rotates 1.25 degrees in 5 minutes.
Sarah reads 13 pages in 1/3 of an hour.
A man pays $45.24 for 16 gallons of gasoline.
The car drives 25 miles per hour.
The soup costs $1.23 per ounce.
40 millimeters of rain fell in 1 minute.