writing equations

The space club is having some posters printed. The printer charges $250 plus $2 per poster. How can I figure out how many posters I could print for $1,000?

• 250x + 2 = 1000
• 1000 + 2x = 250
• 250 - 2x = 1000
• 2x + 250 = 1000

Tags

CCSS.7.EE.B.4A

Three desks and a bookcase together weigh 157 pounds. The bookcase weighs 34 pounds. Which equation could help me find out how much each desk weighs?

• 34 + 3 = 157
• 34x + 3 = 157
• 3x + 34 = 157
• x + 34 = 157

Tags

CCSS.HSA.CED.A.3

Oshgosh would like to buy a new pair of skates for $115. So far he has saved $40. If he earns $7.50 per hour, how could I find out how many hours he must work in order to buy the skates?

• 40 + 7.50x = 115
• 40x + 7.50 = 115
• 40 + 7.50 = 115
• 40 + 17.50x = 115

Tags

CCSS.HSA.CED.A.3

Mr. Piper's plumbing needed repairs. The plumber charged $98 for parts plus $45 per hour for labor. If the bill totaled $458, how could I find out the hours of labored required?

• 98x + 45 = 458
• 98 + 45x = 458
• 45 + 98 = 458
• 45x - 98 = 458

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

CCSS.6.EE.C.9

The 30 members of a choir are trying to raise $1500 to cover travel costs to a singing camp. They have already raised $600. Which equation would you solve to find the average amount each member can raise in order to meet the goal?

• 30x + 600 = 1500
• 30x - 600 = 1500
• x + 600 = 1500
• 30x = 1500

Tags

CCSS.HSA.CED.A.3

Nadea has $600 in her savings account. She withdraws $35 per week to buy gas for her car. Which equation can be used to determine how many weeks, w, it will take for Nadea to reduce her balance to $285? 

• (600 – 35)w = 285 
• 35w – 600 = 285 
• 600 – w = 285 
•  600 – 35w = 285

Tags

CCSS.7.EE.B.4A

Which situation is best represented by the equation shown below?
6x + 36 = 42

• Sid bought some pens that cost $6 each and three binders that cost $12 each. The cost of Sid’s total purchase is $42. What is x, the number of pens Sid bought? 
• Sid bought some pens that cost $6 each and three binders that cost $36 each. The cost of Sid’s total purchase is $42. What is x, the number of pens Sid bought? 
• Sid spent $42 at the store. He bought some binders that cost $36 each and a pen for $6. If Sid spent a total of $42, what is x, the number of binders Sid bought? 
• Not here

Tags

CCSS.HSA.CED.A.3

Which problem situation matches the equation below?
40x = 240

• Mariana has $240 in her savings account. She gave $40 to her brother. What is x, the amount of money Mariana has left? 
• Megan bought a TV that normally costs $240. She purchased the TV with a 40% discount. What is x, the amount of money Mariana saved when she bought the TV on sale? 
• Marcus has 240 feet of wood. He cut the wood into 40 pieces. What is x, the number of pieces of wood Marcus cut? 
• Jeff bought 40 bags of candy that cost $2.40 each. What is x, the amount of money Jeff spent on candy

Tags

CCSS.6.EE.B.7

A rental car agency charges $30.00 per day plus per mile $0.15. Another rental car agency charges $36.00 per day plus $0.10 per mile. Which equation could be used to determine how many miles would have to be driven in one day for both rental agencies to cost the same amount to rent? 

• 30 + 0.15x = 36 + 0.10x
• 30 - 0.15x = 36 - 0.10x
• 30 + 36 = 0.10x + 0.36x
• 36 - 30 = 0.36x + 0.10x

Tags

CCSS.6.EE.A.4

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

CCSS.6.EE.C.9

I can join video club A for $25.00 and rent videos for $1.00 each. Or, I can join video club B for $15.00 and rent videos for $2.00 each. Write an equation that could be used to determine how many rentals would be needed for the price to be equal.

• 25 - x = 15 - 2x
• 25 + 15 = x + 2x
• 25x + 1 = 15x + 2
• 25 + x = 15 + 2x

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7