Unit 1 -2 Test Review

Kelvin started with 80 pieces of candy and gave away x pieces. Brian started with 40 pieces of candy and received 3 times as many pieces as Kelvin gave away. How many pieces of candy did Kelvin give away if they had the same number of candies left?

Tags

CCSS.7.EE.B.4A

Find the solution to the equation.

-2x = -2(x-3)

• All real numbers

• No Solution

• 0

• -6

Tags

CCSS.8.EE.C.7A

Cindy started with 50 pieces of gum. She added x pieces to her bag. Piper started with 20 pieces of gum. She added two times as many pieces as Mike added. How many pieces of gum did Cindy add if they both had the same amount of pieces of gum in their bag at the end of the day?

Tags

CCSS.7.EE.B.4A

Brenda has $500 in her bank account and Molly has zero dollars in her account. 

- Brenda deposits $40 in her account each week.

- Molly deposits $50 in her account each week.

Which inequality represents this situation when the amount in Brenda's account was greater than the amount in Molly's account?

• 40x<500+50x

• 50x>500+40x

• 40x>500+50x

• 50x<500+40x

At a bakery, each slice of cake cost x dollars. Which situation can be represented by this inequality?

3x < 2x+4

• The cost of 3 slices of cake is greater than the cost of 2 slices of cake plus a $4 pen

• The cost of 3 slices of cake is less than the cost of 2 slices of cake with a $4-off coupon.

• The cost of 3 slices of cake is less than the cost of 2 slices of cake plus a $4 cup of coffee.

• The cost of 3 slices of cake is $4 greater than the price of 2 slices of cake.

Tags

CCSS.7.EE.B.4B

Dillan buys a case of monsters that comes 56 to a pack and sells x number of monsters to his friends at school. Haley buys a case of monsters that comes 98 to a pack and sells 4 times as many bottles as Dillan to her friends. How many monsters did Haley sell if they ended up with the same number of Monsters left over?

Derick's Doggie Day Care charges a $12 registration fee plus $5 per hour for pet sitting. Paul's Pooch Park charges $3 per hour plus an $18 registration fee. Which inequality below can be used to find the number of hours, h, for which the cost of Derick's Doggie Day care is less than the cost of Paul's Pooch Park?

• 12+5h >3h+18

• 5h+12>18+3h

• 12+5h<3h+18

• 18+5h<12+3h

Tags

CCSS.7.EE.B.4B

Chick-fil-a and Popeyes are having a sale on their chicken sandwiches. Chick-fil-a is charging $4 for each chicken sandwich. Popeye's is charging $5 for each sandwich but giving customers a coupon for a $2 discount when they check out. Which of the following three statements are true?

• Greg bought 5 chicken sandwiches at Chick-fil-a for $20.

• Helen bought 4 chicken sandwiches at Popeye's for $24.

• Julie bough 2 chicken sandwiches from Chick-fil-a and paid the same as Helen paid for 2 chicken sandwiches at Popeye's.

• Buying chicken sandwiches from Chick-fil-a will always be cheaper than buying chicken sandwiches at Popeye's.

• The equation 4x = 5x-2 can be used to determine how many chicken sandwiches can be bought at each restaurant and the price charged is the same. 

Tags

CCSS.8.EE.C.7B

Two containers are leaking at the same time. Container A holds 8,000 gallons of water and water is leaking from this container at a rate of 4 gallons per minute, m. Container B holds 10,250 gallons of water and water is leaking from this container at a rate of 6 gallons per minute,m. After how many minutes will the two containers hold the same amount of water?

Tags

CCSS.8.EE.C.8C