45. Anela and Jacob plan to attend a concert in Brady. Anela will drive 375 km to Brady at a constant speed of 75 km/hr, stopping one time for a 30-minute break. Jacob will start 600 km from Brady and will drive at a constant speed of 90 km/hr for 2 hours. He will take a 1-hour break and then drive to Brady at a constant speed of 70 km/hr.To the nearest 0.1 hour, Jacob must leave how much earlier than Anela in order for them to arrive in Brady at the same time?

Answer and Explanation

Your Answer is

Correct Answer is D

Explanation

Anela travel time: 375÷75+0.5=5.5

Jacob travel time: 2+1+(600-90×2)÷70=9

The difference between the two For 3.5 hours, choose D