Nike rides her bike at an average of 10 mile per hour. On one day, she rides 9 miles and then rides around a large loop x miles long. On the second day, she rides 5 miles and then rides around the loof three times. Write in simplified expression to represent the total time she spent riding on her bike on those two days and how long did nike ride on those two days if the loop is 2.?

Question

Nike rides her bike at an average of 10 mile per hour. On one day, she rides 9 miles and then rides around a large loop x miles long. On the second day, she rides 5 miles and then rides around the loof three times. Write in simplified expression to represent the total time she spent riding on her bike on those two days and how long did nike  ride on those two days if the loop is 2.?

oobleck · Answer

time = distance/speed, so (9+x + 5+3x)/10 = (4x+14)/10 = (2x+7)/5 hours now just plug in x=2