Solving Equations and Word Problems

At a local concert hall, the owner charges $7 per ticket. The owner must pay his band $1200. Every customer receives a brochure that costs the owner $2 for each person.

How many people must attend for him to breakeven?

• 240 people

• 170 people

• 600 people

• 133 people

WRITE AN EQUATION
You bought a magazine for $5 and four
erasers. You spent a total of $29. How
much did each eraser cost?

• 5 + x = 29

• -5 - 4x = -29

• 5x = 29

• 29 - 5 = -4x

Imani spent half of her weekly allowance playing mini-golf. To earn more money her parents let her wash the car for $4. What is her weekly allowance if she ended with $12?

• x/2 + 4 = 12

• x/2 - 4 = 12

• 12 - 4 = x

• 12 - 4 = -x/2

After paying $5.12 for a salad, Norachai has $27.10. How much money did he have before buying the salad?

• n + $5.12 = $27.10

• n - $5.12 = $27.10

• n - $5.12 = -$27.10

• $5.12 - n = $27.10

Joe's BBQ sells BBQ by the pound.  Michelle buys $8.75 worth of sides and then 6 pounds of barbeque.  If her total bill was $40.55, how much was each pound of barbeque?

• $5.30

• $3.95

• $8.22

• $5.32

Diego scores 11 more points than Travis.  Together they score 21 points.  How many points did each person score?

• Diego: 11,   Travis: 10

• Diego:  10,  Travis:  11

• Diego: 5,  Travis:  16

• Diego:  16, Travis:  5

Solve for w:
-6w + 1 = -11

• 2

• 1.2

• 12

• -2

3y + 16 = 5y

• y = 8

• y = -8

• y = 1/8

• y = -1/8

Lucy rents a bike from a company that charges an initial fee of $12 plus $3 per hour that the bike is rented. If Lucy spends $30, write an equation that can be used to represent how many hours she can rent the bike.

• 3x - 12 = 30

• 3x + 12 =30

• 3x = 30 + 12

• 30 - 3x = 12

Max worked Friday night at a restaurant for 7 hours and came home with $84  in tips. 

Which of the following equations represents the amount of dollars, x, she earned per hour in tip

• x +x + 7 = $84

• 84/7 = x

• 7x = 84