You can figure out how many miles per hour it travels by dividing 18/3. This gives us the answer of 6. 3/4 = 0.75 so we can multiply 6 * 0.75 to get 4.5 as our final answer. It will travel 4.5 miles in 3/4 of an hour.
Here is where the answer is mentioned: "After the Civil War, the era known as Reconstruction began. During this era, the federal government tried to grantrightstoformerslaves and rebuild the South."
