Writing and Solving Equations

It costs $5 to go on a ride at Roller Coaster World. When Jose went to the park on Tuesday, he spent $6 on food and the rest on the rides. Which equation can be used to find the number of rides (r) he went on if he spent $41?

• 5 + 6r = 41

• 5r + 6 = 41

• 41 + 5r = 6

• 41 + 6r = 5

Tags

CCSS.HSA.CED.A.3

It costs $5 to go on a ride at Roller Coaster World. When Jose went to the park on Tuesday, he spent $6 on food and the rest on the rides. How many rides did he go on if he spent $41?

• 5

• 6

• 7

• 8

Tags

CCSS.7.EE.B.4A

Which equation matches this situation?

Diego is saving money for concert tickets to Melanie Martinez, after mowing lawns he has a $120. He already has $46 saved and earned $15 per lawn. Choose 2.

• 46 + 15x = 120

• 15x + 46 = 120

• 120 = 46x - 15

• 120 = 46x = 15

Tags

CCSS.HSA.CED.A.3

Which equation fits this situation?
A group of adults plus one child go to the movies.  Tickets for adults is $8 and the child gets in for $6.  The total cost for the movie is $54.

• 8 + 6x = 54
• 8x - 6 = 54
• 54 = 8x + 6
• 54 = 8 + 6x

Tags

CCSS.HSA.CED.A.3

If x is 7, which of these equations is true?

• 4x - 7 = 21
• 3x + 6 = 21
• 7x - 4 = 36
• not here

Tags

CCSS.6.EE.B.5

Javien is 21 years old. His age is 9 years more than 3 times Zamariya’s age. What equation represents is Zamariya's age, x, in years?

• 21 + x = 3(9)
• 9 + 21 = x
• x + 9 = 21
• 3x + 9 = 21

Tags

CCSS.HSA.CED.A.3

The number of pencils collected by Precious (P) is equal to 5 more than twice the number collected by D'Shaun (D). Which of the following equations describes the statement above?

• P = 5 - D
• P = D + 5
• P = 2D - 5
• P = 2D + 5

Tags

CCSS.6.EE.C.9

Tyrell needs $60 to purchase a trumpet. He has $32. He can earn $4 an hour babysitting. Which equation could be used to find h, the number of hours Tyrell needs to babysit to earn enough money to purchase the trumpet?

• 60 = 32 + 4h
• 60 = 32 - 4h
• 60 = (32 x 4)h
• 60 = (32/4)h

Tags

CCSS.HSA.CED.A.3

A car rental company charges $56 per day plus $0.30 per mile driven. Jamika paid $86 after renting a car for one day. What equation should he use to find x, the number of miles she drove?

• x + 56 = 86
• 30x + 56 = 86
• 0.30x + 56 = 86
• 0.30x + 86 = 56

Tags

CCSS.HSA.CED.A.3

Determine the unknown and define the variable of the question below:

It costs $14 to attend the South Florida Fair. Wristbands for the amusement park rides cost $2 each. How many wristbands can you buy at the fair if you have $30 to spend?

• the number of people attending the fair; p = people

• the number of rides at the fair; r = rides

• the number of wristbands you can buy; w = wristbands

Tags

CCSS.6.EE.B.7