The line graph shows the distance that Andrew walked over time. How long did it take Andrew to walk the first $2 \mathrm{~km}$ ?

(A) 15 minutes

(B) 1 hour, 15 minutes

(C) 1 hour, 45 minutes

(D) 2 hours

(E) 45 minutes

![](https://cdn.mathpix.com/cropped/2024_04_20_46ead6524a8d61e21c51g-012.jpg?height=442&width=420&top_left_y=2099&top_left_x=1270)
Begin by locating $2 \mathrm{~km}$ on the vertical (Distance) axis.

Next, locate the point on the line graph for which Andrew's distance walked is $2 \mathrm{~km}$, as shown.

The time in hours corresponding to this point is $\frac{3}{4}$ of an hour greater than 1 hour.

Since $\frac{1}{4}$ of an hour is equal to 15 minutes, then $\frac{3}{4}$ of an hour is 45 minutes, and so it takes Andrew 1 hour, 45 minutes to walk the first $2 \mathrm{~km}$.

![](https://cdn.mathpix.com/cropped/2024_04_20_748fdafcde2a47412608g-046.jpg?height=348&width=329&top_left_y=2146&top_left_x=1557)

ANSWER: (C)