9th Grade Math

Jack left his house in the morning with $12. On his way to school, he bought ice cream. He had $8 remaining when he reached school. How much did he pay for the ice cream?

• x = 2

• 8 = x

• 4 = x

Tags

CCSS.3.OA.D.8

Bob’s age 5 years ago was half the age he will be in 8 years. How old is Bob now? Choose the equation that will help you answer the question.

• X - 5 = 1/2 (x + 8)

• X - 1/2 = 5 (x + 8)

• x - 8 = 1/2 (x - 5)

Tags

CCSS.7.NS.A.3

Bob’s age 5 years ago was half the age he will be in 8 years. How old is Bob now?

• x = 5 1/2

•   X = 6 1/2

• x = 8 1/2

Tags

CCSS.7.EE.B.3

The owner of a new restaurant is designing its floor plan. His goal is to have a seating capacity of at least 494 customers.

The small tables can seat 4 customers, while the large tables can seat 9 customers.

Select the inequality in standard form that describes this situation. Use the given numbers and the following variables.. X = the number of small tables

y = the number of large tables

• 4x + 9y ≤ 494

• 4x + 9y > 494

• 4x + 8y ≤ 494

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.CED.A.3

An event planner is reserving rooms for a company-wide event. Each ballroom can hold 140 people and each conference room can hold 20 people, and together they must hold at least the 1,080 people participating.

Select the inequality in standard form that describes this situation. Use the given numbers and the following variables.

x = the number of ballrooms

y = the number of conference rooms

 

• 140x *20y > 1,080

• 140x+ 20y ≥ 1,080

• 140x+20y >1,080

• 140x *20y ≥ 1,080

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.CED.A.3

Jack left his house in the morning with $12. On his way to school, he bought ice cream. He had $8 remaining when he reached school. How much did he pay for the ice cream?. Choose the correct equation that will help you solve the problem.

• 12 – x = 8

• 8 -12 = x

• 8 - x = 12

Tags

CCSS.2.OA.A.1