All ACT Math Resources
Example Questions
Example Question #11 : Fractions
is of and of ; all are positive integers. Give the smallest possible value of .
is of and of , so
,
so .
so
must be divisible by 5, so the least possible value is 5 itself.
Example Question #1 : Fractions And Percentage
is of . Which of the following expressions is equal to ?
None of the other responses gives a correct answer.
is of , so
Example Question #11 : Fractions
.
is of , which is 80% of . What percent of is ?
The correct answer is not given among the other responses.
The correct answer is not given among the other responses.
is 80% of , so .
Consequently,
is of , so
Consequently, .
, so
is 800% of . This is not one of the choices.
Example Question #12 : Fractions
is of .
is what percent of ?
The correct answer is not given among the other responses.
is of , so
,
so
and
The question can be rewritten as
is what percent of ?
The answer is
Example Question #15 : Fractions
is of . What percent of is ?
None of the other choices gives the correct answer.
is of , so
, or 525% of .
Example Question #31 : Percents
There are registered students in the math club. Students are deciding what activity they could do for their end of semester event. They have three choices: rock climbing, bowling, or outdoor laser tag. students vote for rock climbing, students vote for bowling, and students vote for outdoor laser tag.
What percent of students did not vote?
The number of students who did not vote is:
The percent of students who did not vote is therefore:
of the students did not vote.
Example Question #13 : Fractions
There are students in a math class. of the class consists of boys. How many girls are in the math class?
First, we need to find the fraction of the class that are girls.
Next, find the number of students that are female. If we know that there are 300 students total, we can write the following ratio for girls:
Create a proportion.
Cross multiply and solve for the number of girls, .
Divide both sides of the equation by 5.
There are 120 girls in the class.
Example Question #14 : Fractions
Convert to a fraction.
Divide 14 by 100. Simplifying this fraction will give the reduced fractional form of :
Example Question #15 : Fractions
percent of percent of the students in a high school take Anglo-Saxon as their first foreign language. What fraction of the students does this represent?
For percentages, remember that the key language is found in the words "is" and "of". "Of" is translated as multiplication, and "is" is translated as equality. Here, we merely need to set up the equation:
Notice carefully, we use to represent the of the class. It really is a filler. is the same as . This is the answer.
Example Question #18 : Fractions
If percent of percent of a group of peanuts was processed in Indiana, what fraction of the original amount of peanuts does this group represent?
For percentages, remember that the key language is found in the words "is" and "of". "Of" is translated as multiplication, and "is" is translated as equality. Here, we merely need to set up the equation:
Notice carefully, we use to represent the of the group of peanuts processed anywhere. It really is a filler. is the same as . Reduce this by canceling out the common : .