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Question
Complete the table and by inspection of the table, find the solution to the equation 5t = 35.
|
t |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
11 |
______ |
|
5t |
______ |
______ |
______ |
______ |
______ |
______ |
______ |
______ |
______ |
______ |
Solution
For 5t, the table can be constructed as follows.
-
t
5t
3
5 × 3 = 15
4
5 × 4 = 20
5
5 × 5 = 25
6
5 × 6 = 30
7
5 × 7 = 35
8
5 × 8 = 40
9
5 × 9 = 45
10
5 × 10 = 50
11
5 × 11 = 55
By inspection, we can find that t = 7 is the solution of the above equation as for t = 7, 5t = 5 × 7 = 35
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