Matrix a below gives the fraction of the earth's area and the projected fraction of its population for five continents in 2050.
matrix b gives the earth's area (in square miles) and its projected 2050 population.
fraction
of area
0.162
0.119
0.066
0.298
fraction of
population
0.047 1 north america
0.086 south america
0.065 europe
0.582 asia
0.215 africa
a
=
0.202
area population
57,850,000 0
0 9,322,000,000
area
population
be
find the area (in square miles) and population of each given continent by finding ab.