On a map of Northern Virginia, 1 inch = 4 miles. The distance from Springfield to Dulles
International Airport is 5.8 inches on the map.
What is the actual distance to the airport?
I

answer: 1inch=7days  

12inch=12*7=84days

step-by-step explanation:

for this case we must apply distributive property to the following expression:

the distributive property states that:

then, when applying the property we have to multiply the -2 for each term within the parenthesis:

to find the perimeter, you add up all the lengths of the sides. in this case you would have to add up 18+22+40+80 which equals 160.