MathDB

7

Part of 2023 MIG

Problems(1)

2023 Individual #7

Source:

4/26/2023
At a length of 104104 miles, the Danyang-Kushan Bridge holds the title for being the longest bridge in the world. A car travels at a constant speed of 3939 miles per hour across the Danyang-Kushan Bridge. How long does it take the car to travel across the entire bridge?
<spanclass=′latex−bold′>(A)</span>2 hours, 12 minutes<spanclass=′latex−bold′>(B)</span>2 hours, 20 minutes<spanclass=′latex−bold′>(C)</span>2 hours, 25 minutes<span class='latex-bold'>(A) </span>\text{2 hours, 12 minutes} \qquad <span class='latex-bold'>(B) </span>\text{2 hours, 20 minutes} \qquad <span class='latex-bold'>(C) </span>\text{2 hours, 25 minutes}\\ <spanclass=′latex−bold′>(D)</span>2 hours, 30 minutes<spanclass=′latex−bold′>(E)</span>2 hours, 40 minutes<span class='latex-bold'>(D) </span>\text{2 hours, 30 minutes} \qquad <span class='latex-bold'>(E) </span>\text{2 hours, 40 minutes}
2023 Individual