problems with equations

Scott works on cars. He charges $35 for each car plus $7 per hour. Write an equation that represents this scenario if Kylie's car bill was $63.

• 7x + 35 = 63
• 7x = 63
• 7x - 35 = 63
• 35x + 7 = 63

Tags

CCSS.HSA.CED.A.3

The steps in solving 5b - 6 = 24 are: 

• Add 6 to both sides and divide both sides by 5
• Add 6 to both sides and multiply both sides by 5
• Subtract 6 from both sides then multiply both sides by 5
• Subtract 6 from both sides then divide both sides by 5

Tags

CCSS.7.EE.B.4A

Keith bought 5 new baseball trading cards to add to his collection.  The next day his dog ate half of his collection.  There are now only 40 cards left.  How many cards did Keith start with?

• 50
• 75
• 100
• 60

Tags

CCSS.7.EE.B.4A

WRITE AN EQUATION
Lilli spent half of her weekly allowance playing mini-golf. To earn more money her parents let her wash the car for $4. What is her weekly allowance if she ended with $12?

• -x/2 + 4 = 12
• x/2 - 4 = 12
• 12 - 4 = x
• 12 - 4 = -x/2

Tags

CCSS.7.NS.A.3

Solve:
−9x + 1 = −80

• x = -9
• x = 9
• x = 0
• x = 3

Tags

CCSS.7.EE.B.4A

Dexter's Gym charges a one-time registration fee of $40 and $20 each month. The total fee after x months is $340. Which equation models this situation?

• 40x + 20 = 340

• 20x + 40 = 340

• 20x - 40 = 340

• 20 + 340 = 40x

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.6

CCSS.6.EE.B.7

CCSS.6.EE.C.9

Evaluate 2r + 1      if   r = 3

• 6
• 5
• 7
• 8

Tags

CCSS.6.EE.A.2C

Evaluate 2a + 4b 
if a = 10     and    b = 6

• 20
• 24
• 44
• 4

Tags

CCSS.6.EE.A.2C

Evaluate 6ab + 2c if a = 3, b = 10, and       c = 7

• 19
• 194
• 180
• 14

Tags

CCSS.6.EE.A.2C

Evaluate the expression.   Let g = 3    h = 9 
4h + 2g + 4

• 42
• 46
• 34
• 58

Tags

CCSS.6.EE.A.2C