Answer: D) 29.4 miles
Step-by-step explanation:
Given , Jennifer has a map of Yellowstone National Park.
The scale on this map is 1 cm = 9.8 miles.
Jennifer measured some distances on the map.
On map , The distance of Old Faithful to Canyon = 3 cm
Then by applying the scale of map ( 1 cm = 9.8 miles. ) , the actual distance from Old Faithful to Canyon would be :
3 x (9.8 miles )
= 29.4 miles
Therefore , the actual distance from Old Faithful to Canyon would be 29.4 miles.
Hence, the correct answer is D) 29.4 miles.