.
Use the proportion
= .
From the proportion,
x = = 20. ANSWER.
Solved.
-------------------
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
- OVERVIEW of lessons on proportions
in this site.
These lessons were written specially for you.
Read them and become an expert in this area.
Start from the very first lesson.
Consider these lessons as your textbook, handbook, tutorials and (free of charge) home teacher.