LESSON
24 Additional Practice
Name For exercises 1 and 2, circle the correct answer.
1. 5(a ! 10) written without parentheses is equal to
a. 5a ! 10
b. 5a ! 5
c. 5a ! 50
d. 10a ! 5
2. 30m " 18 written with parentheses is equal to
b. 5(6m " 6)
c. 6(5m " 3)
d. 6(5m " 5)
.
a. 5(6m " 3)
Solve the problems.
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3. Write 15b " 9 as an equivalent expression with one term.
4. Write 2(w " 8) as an equivalent expression with two terms.
5. Nathan is shipping vases from his pottery studio. Each vase weighs p pounds.
Each crate weighs 5 pounds and holds 10 vases. A shipment consists of 15 crates.
a. Write an expression for the weight of a crate holding 10 vases.
b. Write two equivalent expressions for the total weight of the shipment.
c. To save money, Nathan purchases new crates that weigh 3 pounds each.
Write two equivalent expressions for the total weight of the shipment
using the new crates.
Lesson 24 ■ Generate and Identify Equivalent Expressions
1