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Writing Equations & Ineq. with Variables on Both Sides

Authored by Lauren Casias

Mathematics

8th Grade

CCSS covered

Used 35+ times

Writing Equations & Ineq. with Variables on Both Sides
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12 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

The Rug store installs carpet for $80 plus $9.50 per square yard of carpet. The Magic Carpet charges $120 for installation and $7.50 per square yard of carpet. Write an inequality that could be used to determine the number of square yards of carpet that need to be installed for The Rug Store to charge more than The Magic Carpet.

80+9.50x > 120+7.50x

80+9.50x < 120+7.50x

80x+9.50 > 120x+7.50

80x+9.50 < 120x+7.50

Tags

CCSS.7.EE.B.4B

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

Cody’s Gym charges a $15 fee to join and $30 per month. Tyler’s Gym charges a $30 fee to join and $20 per month. Write an inequality that could be used to determine after how many months Tyler’s gym would cost less

30 + 20x < 15 + 30x

30x + 20 < 15x + 30

30 + 20x > 15 + 30x

30x + 20 > 15x + 30

Tags

CCSS.7.EE.B.4B

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Choose the situation that could represent the inequality:
25 – x < 15 + x

Kasey has a gift card for $25. She buys a $15 CD and as many decals as she can buy with the rest of the gift card. How many decals can she buy?
The school band has 25 people, and the theater class has 15 people. How many people must move from the band class to the theater class for the theater class to be as big or larger than the school band?

Tags

CCSS.7.EE.B.4B

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Renting games online from Netwii costs $3.33 per game  with no monthly fee.  Renting games online from HDO costs $2.00 per game plus a monthly fee of $10.00.
Which inequality represents the situation when the monthly cost at Netwii is more than the monthly cost at HDO?

3.33v > 2v + 10
3.33v + 10 > 2v 
3.33v < 2v + 10
3.33v + 10 < 2v

Tags

CCSS.7.EE.B.4B

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Yellow Cab Taxi charges a $1.75 flat rate in addition to $0.65 per mile.  Katie has no more than $10 to spend on the taxi ride.

1.75 + 0.65m < 10
1.75 + 0.65m > 10
1.75m + 0.65 < 10
1.75m + 0.65 > 10

Tags

CCSS.7.EE.B.4B

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An animal shelter conducts an annual fundraising drive. The animal shelter must raise at least enough money to cover their annual rental of $2,500 and weekly expenses of $450. So far, the shelter has received a one-time donation of $125 and pledged donations of $680 per week. Which inequality can be used to find w, the number of weeks it can take the shelter to meet the goal?

125w + 680 ≤ 2,500w + 450

125w + 680 ≥ 2,500w + 450

680w + 125 ≤ 450w + 2,500

680w + 125 ≥ 450w + 2,500

Tags

CCSS.7.EE.B.4B

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Roger and Novak have a hot dog eating contest. After the first 2 minutes, Roger has consumed 8 hot dogs and Novak has consumed only 7 hot dogs. From that point. Roger eats 3 hot dogs each minute while Novak eats 4 hot dogs per minute. After how many minutes, m, will Novak have eaten more hot dogs than Roger?

8 + 3m > 7 + 4m

8 + 3m < 7 + 4m

3 + 8m > 4 + 7m

3 + 8m < 4 + 7m

Tags

CCSS.7.EE.B.4B

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