Chapter 3: Q. 39 (page 122)
Use the distributive property to write an equivalent variable expression. (Lesson 2.2)
Short Answer
The equivalent expression for is .
Chapter 3: Q. 39 (page 122)
Use the distributive property to write an equivalent variable expression. (Lesson 2.2)
The equivalent expression for is .
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Solve the equation. Check your solution.
The total cost of repairing a car is the sum of the amount paid for parts and the amount paid for Labor. You paid \(78 for parts and \)45 for each hour of Labor. The total cost to repair the car was $168. How many hours did it take to repair the car?
Solve the equation. Check your solution.
Toll Booth You lose your electronic tag that you use to pay tolls on the highway in your city. It costs you \(24 to replace the tag. The cost of one toll when you don’t use the tag is \)3. The cost of the same toll when you do use the tag is $1.50. How many times will you have to use the tag to pay for the tolls in order for the total cost to be same as not using the tag?
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