The area of Desert A is three times the area of Desert B if the sum of their areas is 1,200,000 square miles, find the area of each desert.

Answer 1

a=3b

a+b = 1.2 million

4b= 1.2

b=1.2/4= .3 mil= 300,000 mi^2

a= 1.2-.3 = .9 mil = 900,000 mi^2