# Lesson Worksheet: Multistep Inequalities Mathematics • 7th Grade

In this worksheet, we will practice solving multistep inequalities.

**Q2: **

Solve the inequality in .

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- E

**Q4: **

Solve the inequality in .

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**Q5: **

Solve the inequality in .

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**Q7: **

Solve the inequality in .

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**Q8: **

Given that , solve the inequality .

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**Q9: **

Solve the inequality in .

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**Q10: **

Solve the inequality in .

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**Q12: **

Solve the inequality in .

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**Q13: **

Solve the inequality in .

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**Q14: **

Find the solution set of the inequality in . Give your answer in interval notation.

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**Q15: **

Suppose that . Solve the inequality .

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**Q16: **

Given that , solve the inequality .

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**Q17: **

Jacob and Michael are competing on a quiz app. Jacob has 400 points and is losing 2 points per minute; Michael has 250 points and is winning 10 points per minute.

Write an inequality which can be used to find , the amount of time for which Jacob has no fewer points than Michael.

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Use your inequality to find the time when Michael catches up with Jacob. Assume that points are won or lost at a constant rate.

- A6 minutes
- B minutes
- C minutes
- D minutes
- E14 minutes

**Q20: **

Matthew wants to spend some of his birthday money to buy stationery. He buys a pencil case and some crayons to go in it. A pencil case costs $2 and crayons cost 75 cents each. Matthew has $10.

Write an inequality that can be used to find , the number of crayons he can buy.

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Solve your inequality to find the maximum number of crayons that Matthew can buy.

**Q22: **

Noah and Jennifer were saving their allowances. Noah has started with $150 in his account and deposited $20 at the end of every month; Jennifer started with $50 in her account and deposited $32 at the end of every month.

Write an inequality that can be used to find , the number of months for which there was more money in Noahβs account than in Jenniferβs.

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Use your inequality to find .

**Q23: **

When the sum of a number and twelve is multiplied by four, the result is more than when three times the number is subtracted from eleven.

Write an inequality to represent the statement above. Let represent the number.

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**Q24: **

In a board game, Mason scored 22, 11, 23, 19, and 17 points in five turns. Find the minimum number of points he must score in the sixth turn to have an average of at least 17 points.

**Q25: **

Anthony has a total of $200 and wants to buy some Blu-ray disks. Given that Blu-ray disks cost $18.75 each and he must save at least $65, write an inequality that can be used to find how many Blu-ray disks he can buy, and then determine the maximum number of Blu-ray disks he can buy.

- A, 7 Blu-ray disks
- B, 7 Blu-ray disks
- C, 7 Blu-ray disks
- D, 14 Blu-ray disks
- E, 14 Blu-ray disks