Unit 4 Quiz

A rental car company charges a base fee of $48.92 plus $0.69 per mile driven. If x represents the number of miles driven, which of the following equations could be used to find y, the total cost of the bill?

• y = 0.69 + 48.92
• y = 0.69x + 48.92x
• y = 0.69x + 48.92
• y = 0.69x - 48.92

Carson is a salesman at an insurance company. He receives a monthly salary of $1,199.00 and a $233.00 commission on each policy he sells. If Carson receives his commission check at the end of the month along with his salary check, which of the following equations can be used to determine his total pay for the month.

(Let x represent the number of policies sold and y represent the total amount of pay for the month.)

• y = 1,199x + 233

• y = 1,199 * 2.33x

• y = 233x

• y = 1,199 + 233x

Matt and Casey are wrapping gifts. They bought x rolls of wrapping paper and y packages of ribbon. They spent a total of $11. The equation below describes the relationship between the number of rolls of wrapping paper and the number of packages of ribbon purchased.

2x + y = 11
The ordered pair (4, 3) is a solution of the equation. What does the solution (4, 3) represent?

• A roll of wrapping paper costs $1 more than a package of ribbon.

• Wrapping paper costs $4 per roll, and ribbon costs $3 per package.

• Matt and Casey purchased 4 rolls of wrapping paper and 3 packages of ribbon.

• Matt and Casey purchased 3 rolls of wrapping paper and 4 packages of ribbon.

When Jonas does his math homework, he spends an average of 3 minutes on each problem. Last night he spent 1.6 hours on his non-math homework, plus he completed 8 math problems. Approximately how much time did Jonas spend in total on all of his homework last night?

• 1.5 hours

• 2.9 hours

• 2.4 hours

• 2 hours

Laura retired from her job recently, and she has saved about $458,769.00 over the course of her career. She plans to withdraw $2,375.00 each month to pay for living expenses. After a certain amount of time, the balance in Laura's account is $397,019.00. How many months have passed since Laura retired?

• 26

• 22

• 29

• 90