Find the point on the lineafter two weeks.
Find the point on the line, where the 
meter reach 2000.

Make points for the electric meter, seven days.
Make the best line connecting them.

Open the spreadsheet.
Make the five points from the spreadsheet.
Make then best line through them.

x-value

y-value

Day

Meter

A2 = 3
B2 = 4.5
A3 = 6
B3 = 7.2
A4 = 8
B4 = 9.9
A5 = 11
B5 = 12.9
A6 = 14
B6 = 14.9
E2 = 1
E3 = 2
E4 = 3
E5 = 4
E6 = 5
E7 = 6
E8 = 7
F2 = 841.2
F3 = 848.3
F4 = 857.9
F5 = 866.5
F6 = 874.2
F7 = 885.6
F8 = 895.9