91Ó°ÊÓ

Solve. If no equation is given, perform the indicated operation. $$ \frac{y}{5}-2=\frac{y}{3}-4 $$

Write each fraction as an equivalent fraction with the given denominator. $$ \frac{1}{5}=\frac{ }{50} $$

Answer true or false for each statement. It is possible for the average of two numbers to be less than both numbers.

Solve. Write each fraction in simplest form. There are 35 students in a biology class. If 10 students made an \(\mathrm{A}\) on the first test, what fraction of the students made an A?

Perform each indicated operation. See Examples 1 through 15. $$ \left(\frac{3}{4} \cdot \frac{8}{9}\right) \div \frac{2}{5} $$

Write each mixed number as an improper fraction. See Example 20. $$1 \frac{13}{17}$$

Evaluate each expression if \(x=\frac{1}{3}\) and \(y=\frac{3}{4}\) $$ x+y $$

Solve. Write each fraction in simplest form. In the United States, Alaska has no income tax and Hawaii has state and federal income tax that can be filed at the same time. Thirty-six out of the 48 contiguous United States (the "lower" 48 ) allow residents to file their federal and state income tax electronically at the same time via efile. a. How many of the contiguous states do not have this type of service? b. What fraction of the contiguous states do not have this type of service?

Answer true or false for each statement. The sum of two negative fractions is always a negative number.

Round each number to the given place value. 57,236 to the nearest hundred