Complete the table and by inspection of the table find the solution to the equation z/3=4

z 8 9 10 11 12 13 14 15 16 .. .. .. ..
z/3 2 2/3 3 3 1/3 .. .. .. .. .. .. .. .. .. ..
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1 Answers

z 8 9 10 11 12 13 14 15 16 17 18 19 20
z/3 22/3 3 31/3 32/3 4 41/3 42/3 5 51/3 52/3 6 61/3 62/3

∵  At z =12, z/3 = 4

∴ z = 12 is the solution.

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