Equations and Inequalities

Frankie charges $10 to mow his neighbors' lawns. 
Which expression represents the total income for the lawns (m) he mows?
             

• m ÷ 10 
• 10 + m 
• 10 ÷ m 
• 10m

Tags

CCSS.HSA-SSE.A.1A

An plumber charges $40 for each hour he works plus a $90 service charge. The total charge for a recent job was $330. 1.) Which equation could be used to determine the number of hours, h, that the plumber worked on the job?           
2.) How many hours did he work?         

• 330h + 40 = 90; 2 hours 
• 40h + 90 = 330; 6 hours
• 40h + 330 = 90; 12 hours
• 90h + 40 = 330; 5 hours

Tags

CCSS.7.EE.B.4A

Read this statement:
A number n increased by 92 is 644.
Write this statement as an equation

• 644n = 92
• 92 ÷ n = 644
• 92 - n = 644
• n + 92 = 644

Tags

CCSS.HSA.CED.A.3

Solve the equation:
3g = 228     

• g = 76
• g = 231
• g = 225
• g = 684

Tags

CCSS.6.EE.B.7

Jennifer received a prize for winning a lap running contest during the school year. She needed to run more than 20 laps (r) to receive a prize. Which inequality represents the number of laps that Jennifer ran?

• r ≤ 20
• r ≥ 20
• r > 20
• r < 20

Tags

CCSS.6.EE.B.8

Solve the equation:
3x + 2 = 20

• x = 2
• x = 7
• x = 9
• x = 6

Tags

CCSS.7.EE.B.4A

Solve:
3x ≥ 27

• x ≥ 9
• x > 9 
• x ≤ 9 
• x < 9

Tags

CCSS.6.EE.B.8

Which number from the set of numbers {2, 4, 6, 8} makes the equation TRUE?
2x − 3 = 9            

• 2
• 4
• 6
• 8

Tags

CCSS.6.EE.B.5

A repair person charges $25 per hour to do repairs. In addition, the repair person charges a $30 flat-rate fee per repair visit. Which equation represents the total cost, C, of a single repair visit that takes h hours?              

• C + 30 = 25h
• C + 25h = 30h
• C = 25h + 30
• C = (25 + 30)h 

Tags

CCSS.6.EE.B.7

CCSS.6.EE.A.2

CCSS.6.EE.B.6

CCSS.6.EE.C.9

Dallas makes and sells dog toys at a local pet store. He earns $5 for each toy that he sells. He wants to sell enough toys to buy a doghouse for $250. Write an equation that represents the number of toys (t) Dallas must sell to earn $250. 

• 5t = 250
• t ÷ 5 = 250
• t + 5 = 250
• 250 + 5 = t

Tags

CCSS.HSA.CED.A.3