A $560 \mathrm{~km}$ Road Trip Took 5 $95 \mathrm{~km} / \mathrm{h}$ the Speed Limit Changed and the Last Part Was

Short Answer

A $560 \mathrm{~km}$ road trip took 5.50 hours. The average speed for the first part was $95 \mathrm{~km} / \mathrm{h}$ . The speed limit changed and the last part was driven at an average speed of $105 \mathrm{~km} / \mathrm{h}$ . For how long was the speed $105 \mathrm{~km} / \mathrm{h}$ ?