Math Problem Statement

Olivia bought snacks for her team's practice. She bought a bag of apples for $3.19 and a 24-pack of juice bottles. The total cost before tax was $55.51. Which tape diagram could be used to represent the context if xx represents how much each bottle of juice costs? A 3.19 3.19 3.19 ... x 53.33 3.19x B x x x ... 3.19 53.33 24x C 3.19 3.19 3.19 ... x 55.51 3.19x D x x x ... 3.19 55.51 24x Answer Multiple Choice Answers AA BB CC DD

Solution

We know the following information from the problem:

  • Olivia bought a bag of apples for $3.19.
  • She also bought a 24-pack of juice bottles.
  • The total cost before tax was $55.51.
  • xx represents the cost of each juice bottle.

To represent this situation with a tape diagram, the total cost can be broken down into two parts:

  1. The cost of the apples: $3.19.
  2. The cost of the juice bottles: 24x24x (because there are 24 juice bottles, each costing xx).

Thus, the total cost is the sum of the two: 3.19+24x=55.51.3.19 + 24x = 55.51.

Now, looking at the options:

  • Option A shows the total amount as 53.33+3.19x53.33 + 3.19x, which doesn’t match the given scenario.
  • Option B correctly shows 24x24x for the juice bottles and $3.19 for the apples, with a total of $55.51.
  • Option C uses 3.19x3.19x, which doesn't match the correct breakdown of the problem.
  • Option D shows the correct total but uses 24x24x, like option B.

The correct representation of the scenario would be option B, where the cost of the juice bottles is 24x24x, the apples cost $3.19, and the total cost is $55.51.

So, the correct answer is B.


Would you like more details on this solution or further clarification?

Here are 5 related questions to expand your understanding:

  1. How would the equation change if Olivia bought 12 juice bottles instead of 24?
  2. How would the total cost change if the price of apples increased to $4.00?
  3. What would happen if the price of each juice bottle were $2.00? How would you solve for the total cost?
  4. How can you solve for xx if you know the total cost is $55.51?
  5. How could you represent this situation with a different diagram?

Tip: When solving for the cost of multiple items, always break the total into clear parts representing the cost of individual items.

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Math Problem Analysis

Mathematical Concepts

Algebra
Linear Equations

Formulas

3.19 + 24x = 55.51

Theorems

Linear equation solving

Suitable Grade Level

Grades 6-8