Math Problem Statement

A shipping container will be used to transport several 140-kilogram crates across the country by rail. The greatest weight that can be loaded into the container is 24000 kilograms. Other shipments weighing 9300 kilograms have already been loaded into the container. Write and solve an inequality which can be used to determine xx, the number of 140-kilogram crates that can be loaded into the shipping container.

Solution

To determine the maximum number of 140-kilogram crates that can be loaded into the shipping container without exceeding the weight limit, we need to set up and solve an inequality.

Step 1: Understand the weight constraints.

  • The maximum weight that the container can hold is 24,000 kilograms.
  • Other shipments weighing 9,300 kilograms have already been loaded.
  • Each crate weighs 140 kilograms.

Step 2: Set up the inequality.

Let xx represent the number of 140-kilogram crates that can be loaded.

The total weight of the crates will be 140x140x. The total weight in the container, including the crates and the other shipments, will be: 9300+140x9300 + 140x We want this total weight to be less than or equal to 24,000 kilograms: 9300+140x240009300 + 140x \leq 24000

Step 3: Solve the inequality.

First, subtract 9,300 from both sides: 140x240009300140x \leq 24000 - 9300 Simplify: 140x14700140x \leq 14700 Now, divide both sides by 140: x14700140x \leq \frac{14700}{140} x105x \leq 105

Conclusion:

The number of 140-kilogram crates that can be loaded into the container is 105 or fewer.

Would you like more details on this?

Here are 5 related questions:

  1. What happens if the other shipments weigh 10,000 kilograms instead?
  2. How would the inequality change if the container's weight limit increases?
  3. What if each crate weighed 150 kilograms instead of 140 kilograms?
  4. Can you calculate how much weight remains after loading 100 crates?
  5. How would the solution change if additional shipments were added after the crates?

Tip: Always double-check your calculations, especially when working with constraints like weight limits!

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Math Problem Analysis

Mathematical Concepts

Inequalities
Linear Equations
Weight Calculations

Formulas

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Theorems

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Suitable Grade Level

Grades 7-9