Homework Explained - Math Practice 101

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Grade 7 McGraw Hill Glencoe - Answer Keys
Chapter 6: Equations and Inequalities; Chapter Review

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  • Question 1 (request help)

    A giraffe is 3.5 meters taller than a camel. If a giraffe is 5.5 meters tall, how tall is a camel?

  • \(x=\)    
  • Question 2 (request help)

    Financial Literacy Martina borrowed $98 from her father. She plans to repay her father at $14 per week. Write and solve an equation to find the number of weeks w required to pay back her father.

  • \(w=\)    
  • Question 3 (request help)

    A blimp travels 300 miles in 7.5 hours. Assume the blimp travels at a constant speed. Write and solve an equation to find the speed of the blimp. Use the formula d = rt.

  • \(r=\)    \(\text{mph}\)
  • Question 4 (request help)

    Joel and two friends went to the movies. They each bought a medium popcorn. Altogether, they spent $45. Write and solve an equation to determine how much each boy spent on a movie ticket?

  • \(t=$\)    
  • Question 5 (request help)

    Reason Abstractly Ben is training for football and is lifting 120 pounds on the bench press. He can lift a maximum of 180 pounds. Write and solve an inequality to determine how much additional weight Ben can lift.

  • \(\text{up to}\)    \(\text{pounds more}\)
  • Question 6 (request help)

    Jessie wants to spend less than $18.75 on new socks. Each pack costs $6. Write and solve an inequality to find the maximum number of packs she can buy.

  • \(\text{maximum}\)    \(\text{packs}\)
  • Question 7 (request help)

    Financial Literacy Mr. Walker works as a salesperson at an electronics store. He earns $600 a week, plus $50 for every computer he sells. Write and solve an inequality to determine the number of computers Mr. Walker must sell in order to earn at least $1,250 for the week. Interpret the solution.

  • \(c=\)    

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