= 3.14Name ______________________________ Date _________________________
Activity: 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. If the smaller of two consecutive odd integers is tripled, the result is 13 more than twice the larger of the two integers. Find the two integers.
9. Find the measure of the angle whose supplement is 35° more than twice its complement.
10. (2x+10)° and (4x-6)° are vertical angles. Find the measure of each angle.
11. 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.
12. Two search-and-rescue teams leave camp at the same time looking for a lost boy. The first team heads North and the second team heads South. If the first team travels at three miles per hour faster than the second team and they need to cover a distance of 21 miles between them in 3 hours, find their speeds.