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http://www.mathgoodies.com/lessons/percent/proportions.html
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Use proportion to find what number is 62 percent of 350?
217
What is a situation in which you would have to use a proportion?
To find a percent.
What number is always used when you use a proportion to solve a percent problem?
100
How can you use a proportion to solve a percent question?
A percent is simply a proportion out of 100.
How do you use a proportion to find a percent of a number?
Like this if your looking for say 13 percent of 200 you need to set it as 13 over 100 and then x over 200. Then cross mulitply 13x200 then divide that by 100 and you get your answer.
Use the Proportion method to calculate 25 percent of 128?
32
How do you find the percent proportion?
A simple tool to remember is: IS over OF equals percent over 100.If we put this into a proportion, we get:IS/OF = percent/100.Just put all percent problems into this format, and solve the proportion.Example: 12.5 IS what percent OF 75?Or,12.5 IS | what percent | OF 75?Just put these numbers into the proportion: (We will use x for the percent, as that is the unknown we are solving for)12.5/75 = x/100.Then solve by cross multiplying:75x = 1250.Then divide by 75:x = 1250/75,x = 16 2/3 %
Why should you use percent equation rather than the percent proportion?
There is no "should" or "should not". The depends on the question that you are trying to answer.
What number is 16 percent of 63.2?
Use a proportion.- x/63.2=16/100 100x=16x63.2 100x/100=1011.2/100 x=10.112
What is a proportion you can use to find M the percent of matches a person lost if he won 22 of the 29 tennis matches he played?
7/29=M/100
How do you set up a proportion to find 16 percent of 90?
use the rule: is / of = percent / 100reword the question in your head What is 16 percent of 90?(percent = 16) (of = 90) is is the unknown pick a variable -- xx / 90 = 16 / 100 now solve for xx = 14.4
When would you use a decimal to find a percent of a number?
Any time that you wanted to.
