# System of 3 Equations Word Problem Examples

Instructions:

question 1 of 3

### How many pieces of information must be available to solve a problem that has three unknowns?

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### 2. You are at the store, and are trying to remember how much bread, meat, and cheese you were supposed to buy. The bread costs \$1 per loaf, the meat costs \$4 per pound, and the cheese costs \$3 per pound. You know that you are to buy eight items, that the total cost will be \$17, and that you are supposed to purchase three times as much cheese as meat. How many of each do you need to purchase?

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This short quiz will see how much you know about systems of 3 equations word problems. In order to pass the quiz, you'll need to understand the basics of systems of 3 equations and be able to apply these principles to various word problems.

## Quiz & Worksheet Goals

This quiz is designed to see if you know:

• How many pieces of information are needed to solve a problem with three unknowns
• What elimination refers to in regards to solving 3 equation systems
• How to solve 3 equation systems given different word problem scenarios

## Skills Practiced

Here are some of the skills you will practice during this quiz:

• Reading comprehension - ensure that you draw the most important information from the related algebra lesson
• Critical thinking - apply relevant concepts to examine information about solving 3 equation systems given different real world scenarios
• Problem solving - use acquired knowledge to solve practice 3 equation systems word problems
• Defining key concepts - ensure that you can accurately define main phrases, such as elimination