Quiz about Inequality from Story Problems

Question 1

Griffin earns a weekly salary of $300. He also earns a commission (bonus) of 4% on all of his sales. What is the minimum dollar amount of sales he must make to have a total weekly

pay of at least $550?

Define the variable.

Accepted Answer

let x = the dollar amount of sales

Answer

let x = Griffin

Answer

let x = commission

Answer

let x = weekly salary

Question 2

Jo needs to collect at least 1,000 signatures for a petition. He has 520 and wants to collect the same number each week. He has 6 more weeks. Which inequality represents this situation?

Accepted Answer

$$520+6x\ge1000$$

Answer

$$520x+6\le1000$$

Answer

$$520x+6\ge1000$$

Answer

$$520+6x\le1000$$

Question 3

Ann wants to spend at most $8.50 on school supplies. She needs to purchase a binder (costs $6.89) and wants to spend the rest on pens, which cost $0.59 each. Which inequality represents this situation, where x is the number of pens Ann can buy?

Accepted Answer

$$6.89+0.59x\le8.50$$

Answer

$$6.89+8.50x\le0.59$$

Answer

$$8.50+0.59x\le6.89$$

Answer

$$0.59+6.89x\le8.50$$

Question 4

Wes wants to spend under $15 on lunch. He decides to buy pizza slices, which cost $2.50 each and a two liter soda which costs $1.75. Which inequality represents this situation?

Accepted Answer

$$15>2.50x+1.75$$

Answer

$$15\le2.50x+1.75$$

Answer

$$15\ge2.50+1.75x$$

Answer

$$15<2.50+1.75x$$

Question 5

Stacy has $25 in her savings account. To save more money, Stacy is selling lemonade for $0.50. She wants to have a minimum of $150 in her account. Which inequality represents this situation?

Accepted Answer

$$25+0.50x>150$$

Answer

$$25+0.50x\ge150$$

Answer

$$25x+0.50>150$$

Answer

$$25x+0.50\ge150$$

Question 6

Adam works at a video game store Mon-Fri. He earns $80 per day plus $8 per video game sold. On Thursday, he makes at least $176. Which inequality represents this situation?

Accepted Answer

$$80+8x\ge176$$

Answer

$$176\ge80+8x$$

Answer

$$176\le80x+8$$

Answer

$$80x+8\le176$$

Question 7

Adam works at a video game store Mon-Fri. He earns $80 per day plus $8 per video game sold. On Thursday, he makes at least $176. Which solution represents the possible number of video games Adam sold?

Accepted Answer

$$x\ge12$$

Answer

$$x\ge22$$

Answer

$$x\le12$$

Answer

$$x\le2$$

Question 8

Wes wants to spend under $15 on lunch. He decides to buy pizza slices, which cost $2.50 each and a two liter soda which costs $1.75. What is the maximum number of pizza slices Wes can buy?

Accepted Answer

5

Answer

6

Answer

4

Answer

3

Inequality from Story Problems

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