Q. 4. (b) Complete the table and by inspection of the table, find the solution to the equation
(b)
t | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 |
5t | 15 | 20 | 25 | 30 | 35 | 40 | 45 | 50 | 55 | 60 | 65 | 70 | 75 | 80 |
At t=7, 5t = 35
Thus, t = 7 is the solution.