Modeling Real-World Problems with One-Step Equations Answers

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Use the letters given below the equation to identify the different parts of the equation.

Answers:
The variable in the equation is represented by:A
The constant in the equation is represented by:C
The operation in the equation is represented by:B
3

A✔ BCE

A
A
B
✔ B
C
C
D
E
4

Use the letters given below the equation to identify the different parts of the equation.

Answers:
The variable in the equation is represented by:A
The constant in the equation is represented by:C
The operation in the equation is represented by:B
12

Sergio divided his strawberries equally among 3 friends. If each friend received 9 strawberries, how many strawberries did Sergio have? Select all the apply.

A
The correct equation is .
Option A
B
The correct equation is 3x = 9.
C
Solve by dividing.
D
Solve by multiplying.
E
x = 27.
F
x = 3.
15

Explain how to write and solve the equation to solve the problem.Bella saved enough money to buy 3 books. If each book cost $13, how much money did Bella save?

Answer:

First, define a variable. Let x represent the total amount of money Bella saved. Since she bought 3 books and each cost 13, you can write the equation x/3 = 13, because the total amount divided by the number of books equals the unit price. To solve for x, undo the division by multiplying both sides of the equation by 3. This gives x = 39. Therefore, Bella saved $39.

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