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Example Questions
Example Question #1 : Fractions And Percentage
Solve each problem and decide which is the best of the choices given.
There is a bag with green marbles,
red marbles,
purple marbles, and
blue marbles. What is the probability that a red marble is randomly chosen from the bag?
To find the probability of a red marble being randomly chosen, you have to divide the number of red marbles by the total number of marbles.
There are red, and
total,
thus, creating the fraction
.
To find the percentage, simply divide by
and multiply the result by
to get
.
Example Question #2 : Fractions And Percentage
Determine the approximate percentage given the fraction .
Because a fraction is a part of a whole , set up a proportion.
The fraction is approximately
.
Example Question #1 : Fractions And Percentage
Bob and Jill go eat dinner at a fancy restaurant. Bob gets lobster and Jill gets crab legs. The lobster cost , and the crab legs cost
. If they leave
tip, how much is the combined bill?
To do this, we need to sum up each meal, and then convert the tip into a decimal.
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