Difficulty: Easy
Correct Answer: 100
Explanation:
Problem restatement
Solve the linear equation 14.4 = 0.144 × x for x.
Concept/Approach
Isolate x by dividing both sides by 0.144.
Step-by-step calculation
x = 14.4 ÷ 0.144Multiply numerator and denominator by 1000 (or shift decimals): x = 14400 ÷ 144 = 100
Verification/Alternative
Check: 0.144 × 100 = 14.4.
Common pitfalls
Dividing by 144 instead of 0.144 due to misplaced decimal points.
Final Answer
100
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