If 104 x =68, find the value of x
MATHEMATICS
WAEC 2000
If 104x=68, find the value of x
- A. 5
- B. 7
- C. 8
- D. 9
Correct Answer: C. 8
Explanation
\(104_x = 68\\
1 \times x^2 + 0 \times x + 4 \times x^0 = 68\\
x^2 = 68 - 4; x^2 = 64\\
x = \sqrt{64}=8\)
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