Assignment #5

We see _________ numbers frequently in real life.

• rational

• wrong answer

Positive words or phrases

• credit

• receives

• deposit

• profit

• increase

Negative words or phrases

• debt

• decrease

• loss

• deducts

• owe

Think through the situation. Then, follow the rules for adding and subtracting rationals. Draw a number line or _______ to help

• model

• cartoon

During a drought the local lake was 2 1/4 feet below normal levels. Two weeks later, the water level had dropped an additional 1 3/8 feet. What was the change in the water level during the drought?

• -2 1/4 feet

• -1 1/4 feet

• -1 3/8 feet

• -3 5/8 feet

Jonathan borrowed $800 from his grandparents to start a lawn mowing business in his neighborhood. After mowing lawns for a month and paying his expenses, he was able to pay them $188.56. How much does Jonathan still owe his grandparents?

• $800

• $188.56

• 988.56

• $611.44

On Monday Melody checks her bank balance and has $437.23. She knows that she will get paid on Friday and earn $236.12. She pays her bills which amount to $582.96. What will Melody's bank balance be after she pays her bills and gets her paycheck?

• 673.35

• 95.39

• 674.35

• 90.39