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What number is always used when you use a proportion to solve a percent problem?
100
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.
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
Why can you solve percent problems as a proportion problem?
Because you simply set it up in a proportion box, for example if you have the fraction 4/8 you put the 4 on top of the 8 and 100 next to the 8 because with percents you always use 100. then solve,
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 %
What is a situation in which you would have to use a proportion?
To find a percent.
Use proportion to find what number is 62 percent of 350?
217
Use the Proportion method to calculate 25 percent of 128?
32
How do you use proportion to find the percent of number?
http://www.mathgoodies.com/lessons/percent/proportions.html this website helped me ! =]
How do you use division to solve a multiplication equation?
How do you use division to solve a multiplication equation?Answer this question…
How do you solve 5.5 percent of 74?
Use a proportion: x/74 = 5.5/100 cross multiply 100x =74 * 5.5 100x = 407 Divide both sides by 100 x = 4.07
When might it be easier to use the percent equation rather than the percent proportion?
It might be easier to use the percent equation rather than the percent proportion when you are multiplying and dividing.
