Problem 18
Write as a fraction and as a decimal. $$140 \%$$
Problem 18
Write each phrase as a unit rate. 10 feet in 4 seconds
Problem 20
Solve. Round to the nearest hundredth. $$\frac{7}{12}=\frac{25}{n}$$
Problem 20
A \(\$ 12,000\) investment earned \(\$ 462\) in interest in 6 months. Find the annual simple interest rate on the loan.
Problem 25
Solve. Round to the nearest hundredth. $$\frac{0.5}{2.3}=\frac{n}{20}$$
Problem 26
The price of gasoline jumped from \(\$ 2.70\) per gallon to \(\$ 3.24\) per gallon in one year. What is the ratio of the increase in price to the original price? Write the ratio using a colon ( ).
Problem 29
Solve. Use the basic percent equation. \(80 \%\) of 16.25 is what?
Problem 30
Solve. Use the basic percent equation. \(26 \%\) of 19.5 is what?
Problem 35
Solve. Use the basic percent equation. 18 is \(240 \%\) of what?
Problem 37
Write as a decimal. $$7.3 \%$$