Basic math - If one inch= 400 miles;
2 inches = 800 miles +
1/2 inch=200 miles
Assuming you mean "two and a half inches"? The answer is 1000 miles
400 x 2.5 = 1000 miles
400 x 2.5= 1000 miles
1000
Since we know, 1 inch = 400 miles (on the map scale), then we can say 2.5 inches x 400 miles/inches = 1000 miles (The unit, 'inches' would cancel out) Where I got the 2.5 inches from is '2 1/2' 2 1/2 converted to a decimal number is 2.5
If 400 miles is represented by 1 inch, then 2.5 inches represents 2.5 x 400 = 1000 miles.
The "scale" of a map is a proportionality constant between distances on the map and corresponding distances on the area the map represents. Call the unknown number of inches n. Then 1/2 = n/12, or n = 6.
1000.
1,000 inches is 0.02 miles.
1in. = 4 2in. = 8 half of 4 = 2 8+2=10 so two and a half is equal to 1000 miles
A map with 2000 miles per inch would cram more things into the inch than one that uses 1 inch for 1000 miles. So the map with the scale of 1 inch for 1000 miles would show more detail.
1 mile = 5280 ft = 63360 inches1000 miles = 63,360000 inches ■