Math Problem Statement

A grocery store sells a bag of 4 oranges for $2.96. How much would it cost for 11 oranges?

Solution

To find the cost of 11 oranges, let's solve this problem by first finding the cost of a single orange and then multiplying by 11.

  1. The grocery store sells 4 oranges for $2.96. To find the cost per orange, divide the total price by 4: Cost per orange=2.964=0.74\text{Cost per orange} = \frac{2.96}{4} = 0.74 So, each orange costs $0.74.

  2. Now, to find the cost for 11 oranges, multiply the cost per orange by 11: Cost for 11 oranges=0.74×11=8.14\text{Cost for 11 oranges} = 0.74 \times 11 = 8.14

The cost for 11 oranges is $8.14.

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Related Questions

  1. How much would it cost for 20 oranges at the same rate?
  2. If the price per orange decreased to $0.60, what would be the new cost for 11 oranges?
  3. How many oranges can be bought for $10.00 at the rate of $0.74 per orange?
  4. If 5 oranges cost $3.70, is this a better deal than 4 oranges for $2.96?
  5. What is the price per dozen (12) oranges at the given rate?

Tip

When dealing with unit rates, dividing to find the per-item price first can simplify scaling the cost up to any quantity.

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Math Problem Analysis

Mathematical Concepts

Unit Rate
Multiplication

Formulas

Cost per item = Total cost / Number of items
Total cost = Cost per item * Number of items

Theorems

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Suitable Grade Level

Grades 5-7