you travel again in your trusty deduwebwork2CSM Work 059 WeB

dedu/webwork2/CSM Work 05/9/ WeBWork 05: Problem 9 Attempt Results Result Answer Preview Entered 68.177 The answer above is NOT correct. point You travel again in your trusty car with the 25 inch wheels. You installed a nifty et that measures how often your wheels turn each hour. It shows that a right now they turn 53000 times per hour. You figure you are going at a speed of miles per hour. (Round your answer to the nearest tenth of mile per hour.) to miles. Hint: Multiply the circumference of the wheel with the number of rotations per hour. Convert inches Preview My Answers Submit Answers Your score was recorded You have attempted this problem 9 times. You received a score of 0% for this attempt. Your overall recorded soore is 0%. You have unlimited attempts remaining Email instructor Page generated at 022 2017 at 46pm PST Weewanxo tsoo-2015 theme mathl Iww ersion 2 tolpa version: 2 to The waBwork project a

Solution

Circumference = pi d=25pi

In one revolution of tyre, car travels 25pi inches

Therefore in 53000 revolutions , car tavels =25pi * 53000=4160500

                                                                                          = 65.66 miles

Therefore speed of car =65.66mph