60 likes | 146 Views
EXAMPLE: WORKING WITH PERCENTS. S olving applied problems. PROBLEM. WHAT PERCENT OF 40 IS 18?. SOLUTION. In order to find the solution to the problem, we need to translate the sentence/question into an equation and then solve the equation. The following translations may be helpful:.
E N D
EXAMPLE: WORKING WITH PERCENTS Solving applied problems
PROBLEM WHAT PERCENT OF 40 IS 18?
SOLUTION In order to find the solution to the problem, we need to translate the sentence/question into an equation and then solve the equation. The following translations may be helpful:
Let’s read the question again: WHAT PERCENT WHAT PERCENT OF OF 40 40 IS IS 18? 18? Notice all the keywords above We can translate as follows: x * 40 = 18
So our equation to solve is We can solve for the variable x by dividing both sides of the equation by 40 Simplify and solve for x Finally we change 0.45 to percent because the problem asked for percent.
Solving applied problems involving percent Open University Malaysiais licensed under a Creative Commons Attribution-Noncommercial 3.0 Unported License. Based on a work at http://oer.oum.edu.my. Permissions beyond the scope of this license may be available at http://www.oum.edu.my.