Name ______________________________  Date _________________________

 

Activity #4: Solve each world problem. Use formulas when needed. Show all work.

 

1. In an athletic tournament, the British contestants won 4 more gold than silver medals and 1 less bronze than silver medals.  They won a total of 27 gold, bronze, and silver medals.  Find the number of each type of medal won.

 

2.   At a year-end clearance sale, a $700 TV-set sold for $450.  What was the discount on the original price? 

 

3. In the fifth year, after investing $25,000 in Federal Bonds, a retired man received a check for $750 in interest.  What interest rate did his money earn during the 5 years?

 

4. The temperature in Orlando was 95°F.  Change this temperature to degrees Celsius.  Round to the nearest degree.

 

5. The winner of a 14-mile race averaged 7.95 miles per hour (mph).  To the  nearest hundredth of an hour, how long did it take him to complete the race?

 

6. The perimeter of a rectangle is 172 centimeters.  If the length of the rectangle is 14 centimeters more than the width, find its dimensions.

7. The distance across a round table through the center is 18 feet.  Find its surface area to nearest feet.  Use = 3.14

8.      Find the measure of the angle whose supplement is 35° more than twice its complement.

9. (2x+10)° and (4x-6)° are vertical angles.  Find the measure of each angle.

 10.  The teepees constructed by the Blackfoot Indians were cone-shaped tents made of long poles and animal hide, about 10 feet high and 15 feet across.  Estimate the volume of a teepee with these dimensions.