Problem 5
What are two equivalent ratios to \(3: 5 ?\)
Problem 6
Mr. Ralston's eighth-grade homeroom class has 36 students. 16 are boys and 20 are girls. The 8 th grade at the school has a total of 108 students, 48 boys and 60 girls. Is the ratio of boys to girls in Mr. Ralston's homeroom class the same as the ratio of boys to girls in the entire 8 th grade? Explain.
Problem 13
Bret has 6 red marbles and 12 blue marbles. Elena has 9 red marbles and 15 blue marbles. Who has the greater ratio of red to blue marbles?
Problem 14
Jada's car uses 18 gallons of gasoline to travel 576 miles along a highway. What is her car's rate of miles per gallon?
Problem 15
Solve each proportion for the unknown term. What is the value of \(x\) in the proportion \(\frac{9}{x}=\frac{3}{4} ?\)
Problem 19
How do you write \(\frac{17}{25}\) as a decimal and percent?
Problem 21
What is \(6 \%\) of 1,500 ?
Problem 22
What percent of 80 is 4 ?