The map scale on a map is ½ inch represents 200 miles. If the distance measured between two cities on the map is 4 inches, what is the actual distance between the two cities?

1,600 miles.
EXPLANATION:
Since 200 miles is 1/2 inch. 400 miles is one inch
400 miles per inch x 4 inches = 1600 miles.

1. 0.3 •4 is the same as 4 groups of 0.32. 7•0.8 is the same as 7 groups of 0.83. it increases by 0.5 every time, so 0.5x4 it increases by 0.9 every time, so 0.9x5. 0.9•12=10.86. 0.47•5=2.35i can finish the next ones in a separate post