Question 757395
y = 0.052x + 1.44
y - 1.44 = 0.052x
(y - 1.440)/ 0.052 = x
Using this formula
(2.48 - 1.44)/0.052 = x
     1.04/0.052 = x
          x = 20 years.
Hope this helps.
:-)