# algebra homeworks

1.Fourteen-carat yellow gold contains 58.5% gold, 17.5% silver, and 24% copper. If a jeweler has a 50-gram piece of 14-carat yellow gold, how many grams of gold, silver, and copper are in the piece? (If it is not possible to answer the question with the given information, enter IMPOSSIBLE.)

2.According to a 25-city survey on the status of hunger and homelessness by the U.S. Conference of Mayors, 41% of the homeless in the United States are single men, 41% are families with children, 13% are single women, and 5% are unaccompanied minors. How many homeless people in the United States are single men? (If it is not possible to answer the question with the given information, enter IMPOSSIBLE.)

3. Use the basic percent equation.16 is what percent of 96?

4.Solve. Round to the nearest tenth of a percent.

According to a country’s census, there were 32.7 million citizens living in poverty in 2001. By 2009, the number had increased to 43.1 million. Find the percent increase in the number of citizens living in poverty from 2001 to 2009.
%

5.

6. Round to the nearest tenth of a percent.
As a result of an increased number of service lines at a grocery store, the average amount of time a customer waits in line has decreased from 3.8 min to 2.7 min. Find the percent decrease.

7. It is estimated that the value of a new car is reduced 30% after one year of ownership. Find the value of a \$25,200 new car after one year.