Equation to Word Problem

Which situation can be represented by the inequality
15 + 6x ≤ 100?

• Lazer Zone charges $15 plus $6 per person. If Andrea has a maximum of $100 to spend, how many people can Andrea invite to play laser tag?

• Lazer Zone charges $6 plus $15 per person. If Andrea has a maximum of $100 to spend, how many people can Andrea invite to play laser tag?

• Lazer Zone charges $15 plus $6 per person. If Andrea has a minimum of $100 to spend, how many people can Andrea invite to play laser tag?

• Lazer Zone charges $6 plus $15 per person. If Andrea has a minimum of $100 to spend, how many people can Andrea invite to play laser tag?

Tags

CCSS.7.EE.B.4B

Which word problem represents the inequality:
x + 32 ≥ 80
(Show work by writing down inequality clue words.)

• Janine's goal is to earn at least $80 for soccer camp.  She has earned $32 so far.  How much more does she need to earn?

• Janine made more than 80 points during the basketball season.  She made 32 points the first five games.  How much did she score the rest of the games?

• Janine scored above an 80 on her math homework.  But, she turned her work in late and was deducted 32 points.  What did she make after the deduction?

Tags

CCSS.7.EE.B.4B

• One hundred fifty increased by 40 times a number is less than the number increased by 40.

• Nat's Plumbing charges $150 fee plus $40 an hour for labor. Jose's Plumbing charges $50 and hour. What number of hours of labor would make Nat's Plumbing charges the same as Jose's Plumbing charges?

• Jonathan has $150 and is adding $40 a week to his savings. His brother is adding $50 a week to his savings. How many weeks will it take for Jonathan to have less in his account than his brother?

• A swim club charges $150 plus $40 a lesson. A second club charges $50 a lesson. How many lessons, x, can a person have and the total charges at the first club be more than the total cost at the second club?

Tags

CCSS.7.EE.B.4B

• Six loaves of bread cost $4 less than 8 loaves of bread. What is the cost of a loaf of bread?

• Six times a number is the same as eight times the number decreased by 4. What is the number?

• Six times Ann's age is the same as her age multiplied by 8 and then increased by 4. What is Ann's age?

• The length of a side of a regular hexagon is s units. The perimeter of the triangle is equal to 8 times the length of a side increased by 4 units. What is the length of a side of the hexagon?

An object in launched directly upward at 64 feet per second (ft/s) from a platform 80 feet high. Its height is represented by the equation

s(t) = –16t² + 64t + 80

What will be the object's maximum height?

• 2 ft

• 80 ft

• 144 ft

• 64 ft

A diver is standing on a platform above the pool. He jumps from the platform and dives into the pool. Use the formula h = −16 t² + 8t + 24, where h is his height above the water, t is the time since he jumps. How high is the platform?

• .25 ft

• 24 ft

• 25 ft

• 8 ft

Your nephew is standing on his deck, which is 4 feet off the ground. He tosses his toy up into the air. The equation h = -2t² + 7t + 4 models the toy's height, h, from the ground at t seconds after he threw it. How high is the toy after 1 second?

• 2

• 4

• 9

• 10

• 15

Jack's sister is 18 years old. Liam says that his age minus fifteen is equal to Jack's sister's age. What equation can you use to solve the problem, and how old is Liam?

• 18-x=15

  x=3

• x-15=18

  x=33

• 15+x=18

  x=3

• 33-x=15

  x=18

Tags

CCSS.6.EE.B.7

Deandre has $20.00 to spend on fruit. He buys 8 apples and spends the rest of the money on strawberries. The store charges $0.40 for each apple and $2.00 per pound for strawberries. 

Which equation represents the number of pounds of strawberries, ​​x, Deandre bought and how many pounds did he buy?

• 2.00x+ .48=$20;

  4.8 pounds strawberries

• ​2.00x+0.40(8)=$20; 8.4 pounds strawberries

• .40x+2=$20;

  45 pounds strawberries

• 2+20x=$40:

  1.9 pounds strawberries

Tags

CCSS.7.EE.B.4A

Jim paid a gym membership fee of $50, plus $20 per month. Jim has paid a total of $290 to the gym. Which equation matches this situation?

• 50 + 20m = 290

• 20 + 50m = 290

• 50 + 20 = m

• 50m - 20 = 290

Tags

CCSS.HSA.CED.A.3