document.write( "Question 652326: At 6 A.M. a snowplow, traveling at a constant speed, begins to clear a highway leading out of town. At 8 A.M. an automobile begins traveling the highway at a speed of 35mi/hr and reaches the plow 20 minutes later. Find the speed of the snowplow. \n" ); document.write( "
Algebra.Com's Answer #407955 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! At 6 A.M. a snowplow, traveling at a constant speed, begins to clear a highway leading out of town. At 8 A.M. an automobile begins traveling the highway at a speed of 35mi/hr and reaches the plow 20 minutes later. Find the speed of the snowplow. \n" ); document.write( "-------- \n" ); document.write( "Snowplow DATA: \n" ); document.write( "time = 7/3 hrs ; rate = r mph ; distance = (7/3)r miles \n" ); document.write( "---------------- \n" ); document.write( "Car DAA: \n" ); document.write( "time = 1/3 hr ; rate = 35 mph ; distance = (1/3)35 miles\r \n" ); document.write( "\n" ); document.write( "================ \n" ); document.write( "Equation: \n" ); document.write( "distance = distance: \n" ); document.write( "(7/3)r = (1/3)35 \n" ); document.write( "--- \n" ); document.write( "7r = 35 \n" ); document.write( "r = 5 mph (speed of the snowplow) \n" ); document.write( "======================================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |