Anna walked at a constant rate. The graph shows that she walked 600 metres in 4 minutes. If she continued walking at the same rate, how far did she walk in 6 minutes?
(A) $700 \mathrm{~m}$
(B) $750 \mathrm{~m}$
(C) $800 \mathrm{~m}$
(D) $900 \mathrm{~m}$
(E) $1000 \mathrm{~m}$

Distance-Time Graph

![](https://cdn.mathpix.com/cropped/2024_04_20_6ed09463f225f8ba1f07g-068.jpg?height=727&width=623&top_left_y=1824&top_left_x=1160)
If Anna walked 600 metres in 4 minutes, then she walked $\frac{600}{4}=150$ metres each minute.

Therefore, in 6 minutes, she walked $6 \times 150=900$ metres.

![](https://cdn.mathpix.com/cropped/2024_04_20_faa9db06d997f2a5b9b1g-117.jpg?height=637&width=531&top_left_y=1205&top_left_x=1423)

ANSWER: (D)

#