# Solve Proportions For A Variable Using Cross-multiplication Quiz

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Romseyb
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Quizzes Created: 20 | Total Attempts: 7,341
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Embark on a journey to solve proportions like a math maestro with the "Solve Proportions for a Variable Using Cross-Multiplication Quiz." This quiz is your interactive guide to mastering the art of solving proportions, specifically employing the powerful technique of cross-multiplication. Challenge yourself with questions that unravel the secrets of finding the unknown variable in proportionate relationships.

Dive into the quiz, where each question propels you closer to understanding the intricacies of cross-multiplication and its application in solving proportions for variables. Get ready to boost your mathematical confidence and let the "Solve Proportions for a Variable Using Cross-Multiplication Quiz" be Read moreyour gateway to mathematical mastery.

• 1.

### Solve:

Explanation
The given equation "b=30,30" suggests that the value of variable b is equal to 30. This is indicated by the repetition of the number 30, which implies that b has a value of 30 twice.

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• 2.

### Solve:

Explanation
The given answer "a=5,5" suggests that the value of variable 'a' is 5 and the number 5 is also present. It is possible that the question is asking for the value of 'a' and the number 5 is just additional information provided. Alternatively, it could be a typo or error in the question, making it difficult to provide a clear explanation without further context.

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• 3.

### Solve:

Explanation
The given equation is x=6 and the answer is x=6,6. This means that the value of x is 6, and the equation is satisfied by the value 6. The repetition of 6 in the answer could be a typo or error, as it is redundant to state x=6 twice.

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• 4.

• 5.

### Solve:

Explanation
The given equation is 1.6x = 1.6. To solve for x, we need to isolate it on one side of the equation. Dividing both sides of the equation by 1.6, we get x = 1.6/1.6, which simplifies to x = 1. Therefore, the solution to the equation is x = 1.6.

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• Current Version
• Nov 22, 2023
Quiz Edited by
ProProfs Editorial Team
• Feb 17, 2014
Quiz Created by
Romseyb