Equations and Inequalities Review - 7th Grade

James had a collection of rocks.  He then found six more rocks on a hiking adventure with his friends.  Later he decided to give half of all of his rocks away to a friend.  He now has 15 rocks remaining.  How many rocks did James originally have? Which equation would be used to solve this situation?

Tags

CCSS.HSA.CED.A.3

 2(4x-1) = 39.6

Tags

CCSS.7.EE.B.4A

Tags

CCSS.7.EE.B.4A

 $\frac{3}{4}x+1=7$ 

•  $x=10.67$ 

•  $x=6$ 

•  $x=8$ 

•  $x=4.5$ 

Tags

CCSS.7.EE.B.4A

Tags

CCSS.8.EE.C.7B

Elijah is five years less than two times Victor’s age. Elijah is 9 years old. How old is Victor?

• x=2

• x=4

• x=7

• x=14

Tags

CCSS.6.EE.B.6

 Martin and Sariah each get paid $6.50 per hour to babysit, with Martin earning an additional $30.00 mowing yards.  If together they earned a total of $225, how many hours did EACH person babysit if they both babysat the same amount of hours?

Tags

CCSS.8.EE.C.7B

Which of the following inequalities will require you to reverse the inequality symbol when solving?

Tags

CCSS.7.EE.B.4B

Tags

CCSS.7.EE.B.4B

Tags

CCSS.7.EE.B.4B