7 tests per 25 hours, how much time to do 120 tests?

To find how much time it takes to do 120 tests when 7 tests are completed in 25 hours, we can set up a proportion.

Let \( x \) be the time (in hours) to complete 120 tests.

The proportion is:

\[
\frac{7 \, \text{tests}}{25 \, \text{hours}} = \

Learn how to solve a proportion word problem that calculates how much time it takes to complete 120 tests when 7 tests are done in 25 hours. This example helps students understand the concept of unit rate and solving proportions. Suitable for Grades 6-8.

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