7th Grade Equations Review

Which expression is equivalent to:
 -4(x+2)-1/2(2x-6) ?

• -5x-4
• -5x-5
• -8x-4
• -8x-5

Tags

CCSS.6.EE.A.3

Anna saved $20 in a jar each month for 2 1/2 years. She spent 75% of her savings on a computer.
How much money did Anna have left in the jar?

• $150
• $240
• $450
• $600

Tags

CCSS.8.EE.C.7B

Mr. Jones Spent $156 to attend a college football game. 
     -  Twenty percent of this cost was for a parking pass
     -  He spent the remainder of the money on two tickets for the game
What was the price per ticket?

• $15.60
• $31.20
• $62.40
• $124.80

Tags

CCSS.6.RP.A.3C

When Derek planted a tree it was 36 inches tall. The tree grew 1 1/4 inches per year.  The tree is now 44 3/4 inches tall.  
How many years ago did Derek plant the tree?

• 7
• 8
• 9
• 10

Tags

CCSS.7.EE.B.3

What is the solution to the inequality:
 -3x - 42 >3 ?

• x > -13
• x < -13
• x > -15
• x < -15

Which choice is equivalent to the expression:
-3(3y - 2x)+2(5x - 4y)

• -3y+2x
• -11y+6x
• -17y+16x
• -13y+8x

Jacob is 12 years younger than twice Elizabeth's age.  Jacob is 28 years old.  
How old is Elizabeth?

• 8
• 14
• 16
• 20