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Step 1. Multiply both sides by the product q*s. You will get p*s = q*r.
Step 2. Divide both sides by r. You will get q = . ANSWER
Solved and answered.
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It is how propotions work.
On PROPORTIONS, see the lessons
- Proportions
- Using proportions to solve word problems
- Using proportions to solve word problems in Physics
- Using proportions to solve Chemistry problems
- Typical problems on proportions
- Using proportions to estimate the number of fish in a lake
- HOW TO algebreze and solve these problems using proportions
- Problems on proportions for mental solution
- Selected problems on proportions from the archive
- OVERVIEW of lessons on proportions
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