91Ó°ÊÓ

Which of the following fractions is closest to the number 1? a. \(\frac{1}{8}\) b. \(\frac{3}{8}\) c. \(\frac{5}{8}\) d. \(\frac{7}{8}\)

Factor into prime factors. $$72$$

Popular Majors Enrollment figures show that the most popular programs at a local college are liberal art studies and business programs. The liberal arts studies program accounts for \(\frac{1}{5}\) of the student enrollment while business programs account for \(\frac{1}{10}\) of the enrollment. What fraction of student enrollment chooses one of these two areas of study?

Combine. \(3 \frac{2}{3}+4 \frac{1}{3}\)

Use the rule for order of operations to combine the following. \(3+2 \cdot 7\)

Factor into prime factors. $$15 \cdot 4$$

Multiply. $$2 \cdot 2 \cdot 3 \cdot 3 \cdot 3$$

Exercising According to national studies, childhood obesity is on the rise. Doctors recommend a minimum of 30 minutes of exercise three times a week to help keep us fit. Suppose during a given week you walk for \(\frac{1}{4}\) hour one day, \(\frac{2}{3}\) of an hour a second day and \(\frac{3}{4}\) of an hour on a third day. Find the total number of hours walked as a fraction.

Cooking You are making pancakes for breakfast and need \(\frac{3}{4}\) of a cup of milk for your batter. You discover that you only have \(\frac{1}{2}\) cup of milk in the refrigerator. How much more milk do you need?

Factor into prime factors. $$8 \cdot 9$$