7.10A Writing Equations and Inequalities

A local gym charges $580 per year for a membership, plus $20 for a one-week boot camp class. If Jason has less than $800 per year to spend for a gym membership and boot camp classes, which inequality can be used to find c, the greatest number of boot camp classes Jason can take in one year? 

• 580 < 20c – 800 
• 800 ≥ 580 – 20c 
• 580 ≤ 20c + 800 
• 800 > 580 + 20c

Tags

CCSS.7.EE.B.4B

A t-shirt company spends $84 to design and print a customer’s design, and charges $12 per shirt to print the design on a shirt. Which inequality best represents, x, the number of t-shirts the company needs to sell to pay for the design and print cost, and earn a profit of at least $480? 

• 12x + 84 ≤ 480 
• 12x - 84 ≤ 480 
•  12x + 84 ≥ 480 
•  12x - 84 ≥ 480 

Tags

CCSS.7.EE.B.4B

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 phone company charges a sign-up fee of $3.50, plus $x for every hour the phone is used. If Brian talked on the phone for 12 hours and paid a total of $75.50, which of the following equations can be used to find, x, the hourly rate of the phone plan?

• 3.50 + x = 75.50 
• 3.50 - x = 75.50 
• 75.50 + 12x = 3.50 
• 3.50 + 12x = 75.50

Tags

CCSS.HSA.CED.A.3

Tammy made a deposit of d dollars in to her back account. Her old balance was $100, and her new balance is $280.

• d-100=280
• 280-d=100
• 100+d=280
• 280+d=100

Tags

CCSS.HSA.CED.A.3

Speedy Boat Rental charges a $15 deposit fee plus $2 for each hour of use to rent a paddle boat.  Write an equation to find out how many hours, h, they rented the Boat if the total cost was $33.

• h = 2(9) + 15
• 33 = 15h + 2
• h = 15(9) + 2
• 33 = 2h + 15

Tags

CCSS.7.EE.B.4A

Eight less than 7 times a number is the same as 4 more than 3 times the number

• x + 3 = x

• 8 = x + 4 + 3

• 8 - 7x = 4 + 3x

• 7x - 8 = 3x + 4

Tags

CCSS.6.EE.B.7

CCSS.6.EE.A.2

CCSS.6.EE.B.6

Pizzazz Publications is having some books printed. The printer charges $800 plus $5 per book. What equation could help me find how many books can be printed for $4,000?

• 800 + 5x = 4000
• 800x + 5 = 4000
• 4000 + 5x= 800
• 800 + 5 = 4000

Tags

CCSS.HSA.CED.A.3