Multiplication and Division Equations

Question 1

Which equation is equivalent to 4.5 = 2a?

Revolt · Accepted Answer

a = 2.25

Question 2

How much money did Hector spend? $50✔ $37.50$25$12.50

Revolt · Accepted Answer

$37.50

Question 3

x = .

Revolt · Accepted Answer

4.3

Question 4

What property was used to solve the equation?

Revolt · Accepted Answer

Multiplication property of equality

Question 5

Sara is having a dinner party for four friends and needs to reduce the serving size of the meatloaf recipe. She uses the equation . How many servings did the recipe originally make?

Revolt · Accepted Answer

20

Question 6

Hector spent 34 of his money the day after he cashed his paycheck of $50. Let m represent the amount of money Hector spent.

Revolt · Accepted Answer

Hector spent 34 of his money the day after he cashed his paycheck of $50. Let m represent the amount of money Hector spent.: 3/4 (50) = m; Hector spent 34 of his money the day after he cashed his paycheck of $50. Let m represent the amount of money Hector spent.: $37.50

Question 7

Which equation matches the word problem? 3/4 (m) = 5050m = 3/4✔ 3/4 (50) = mm + 3/4 = 50

Revolt · Accepted Answer

3/4 (50) = m; Hector spent 34 of his money the day after he cashed his paycheck of $50. Let m represent the amount of money Hector spent.: 3/4 (50) = m; Hector spent 34 of his money the day after he cashed his paycheck of $50. Let m represent the amount of money Hector spent.: $37.50

Question 8

Jen has a newer car than Amelie, and it has the miles of Amelie’s car. Amelie’s car has 45,000 miles. Which of the following equations model this situation? Select all that apply.

Revolt · Accepted Answer

3(m) = 45,000; m = (one-third) (45,000)

Question 9

Which equation and solution is correct?

Revolt · Accepted Answer

, and the total bill was $132.50.

Question 10

Explain the process to solve the equation. Use proper vocabulary in your explanation.

Revolt · Accepted Answer

Your goal is to isolate the x. This is a multiplication problem, so use the inverse operation, which is division. Divide both sides of the equation by 14 by multiplying by the reciprocal, 4. (− 58)(4) is − 52. Use substitution to check the answer. x = − 52

Multiplication and Division Equations Answers

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