Question 575127
Sales of personal computers are expected to increase in the twenty first century. In 2000 and 2001, a combined total of 264 million personal computers were sold worldwide, with 12.9% more computers sold in 2001 than in 2000.How many personal computers were sold in 2000, and how many were sold in 2001? Round yours answers to the nearest million.
sol:
let x be the PC sold in 2000 
     y be the PC sold in 2001
x + y = 264 MILL
12.9% more computers sold in 2001 than in 2000
so y = (112.9/100)* x
x ( 1 + (112.9/100)*x) = 264 MILL
x = 124,001,879 PC sold