All ISEE Middle Level Math Resources
Example Questions
Example Question #161 : Percentage
A plane ticket is on sale for 25% its original price of $300.00. What is the sale price of the plane ticket?
First, multiply:
Then, subtract that amount from the original price:
Answer: The plane ticket is on sale for
Example Question #162 : Percentage
A large box contains some balls, each of which is marked with a number; one ball is marked with a "1", two balls are marked with a "2". and so forth up to ten balls with a "10".
What percent of the balls are marked with an even number? Give the closest answer.
The number of balls in the box, in total, will be
balls,
of which
are even.
This is
This makes 55% the correct choice.
Example Question #162 : Percentage
What percent of the above figures are triangles?
Of the fifteen figures, three are triangles - that is, of the figures are triangles. This is
of the figures.
Example Question #164 : Percentage
What percent of the above figures have been shaded in?
Of the fifteen figures, seven have been shaded in - of the figures, or
, so this is .
Example Question #163 : Percentage
The above parallelogram has been divided into triangles of equal size. What percent of the parallelogram has been shaded in?
18 of 24 triangles have been shaded in; this is of the parallelogram, which is equal to
of the parallelogram.
Example Question #166 : Percentage
is 25% of .
is 125% of .
is what percent of ?
Assume ; this reasoning is independent of the actual value.
is 25% of , or, equivalently, .
is 125% of , or, equivalently, .
To determine what percent is of , evaluate:
Example Question #166 : Percentage
is 30% of .
is of .
is what percent of ?
30% of a number is equal to of that number.
Therefore,
, and
of a number is equal to of the number, so
To determine what percent is of , evaluate:
Example Question #167 : Percentage
is of .
is of .
is what percent of ?
This reasoning is independent of the value of , so for simplicity's sake, we will assume that ; the reason for this selection will be apparent later.
is of , or
of ; this is
Similarly,
is of , or
of ; this is
.
To determine what percent is of , evaluate:
Example Question #164 : Percentage
A sweater that usually costs is on sale for off. How much does the sweater cost during the sale?
None of these
To find the discounted amount, convert the percent to a decimal and multiply it by the original cost.
Then, subtract the discount amount from the original cost.
Answer:
Example Question #1 : How To Find The Whole From The Part With Percentage
Refer to the above diagram. If there were 15,934 voters who were affiliated with a political party in Smith County in 2009, how many voters (nearest whole number) were there total?
40% of the voters were registered as independents, so 60% were registered as a member of a political party. Since 60% of the voters numbered 15,934, we can find the total number of voters by setting up and solving a proportion:
which rounds to 26,557 voters.