Solved on Feb 23, 2024

Mateo ate 3/8 of a pizza with 510 calories. Which equation can be used to find the total calories in the pizza? 38x=510\frac{3}{8} x=510

STEP 1

Assumptions
1. Mateo ate 38\frac{3}{8} of a pizza.
2. The amount of pizza Mateo ate corresponds to 510 calories.
3. We need to find the total number of calories in the entire pizza.
4. The variable xx will represent the total number of calories in the entire pizza.

STEP 2

We need to set up an equation that represents the relationship between the fraction of the pizza Mateo ate and the number of calories that fraction contained.
FractionofpizzaMateoateTotalpizza=CaloriesfromfractionMateoateTotalcaloriesinpizza\frac{Fraction\, of\, pizza\, Mateo\, ate}{Total\, pizza} = \frac{Calories\, from\, fraction\, Mateo\, ate}{Total\, calories\, in\, pizza}

STEP 3

Since Mateo ate 38\frac{3}{8} of the pizza, and this portion is equivalent to 510 calories, we can express this relationship as:
38=510caloriesTotalcaloriesinpizza\frac{3}{8} = \frac{510\, calories}{Total\, calories\, in\, pizza}

STEP 4

Let xx represent the total number of calories in the entire pizza. We can rewrite the equation from STEP_3 as:
38=510x\frac{3}{8} = \frac{510}{x}

STEP 5

To solve for xx, we need to find the equation that allows us to isolate xx on one side. We can multiply both sides of the equation by xx to get:
x38=510x \cdot \frac{3}{8} = 510

STEP 6

Now, we can divide both sides of the equation by 38\frac{3}{8} to solve for xx. However, this step is not necessary to identify the correct equation from the given options. The equation from STEP_5 is already in the correct form to match one of the options.

STEP 7

Comparing the equation from STEP_5 with the given options, we see that the correct equation to determine the total number of calories in the entire pizza is:
38x=510\frac{3}{8} x = 510
This matches the first option.
The correct equation is 38x=510\frac{3}{8} x = 510.

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