MATHEMATICS
JAMB 2005 - Question 4
Mathematics 2005 JAMB Past Questions - Question 4: A father decided to give 20% of his monthly income to his three children as their monthly allowance. The eldest child got 45% of the allowance and the youngest got 25%. How much was the fathers monthly income if the second child got N3,000?
A:
B:
C:
D:
Correct Answer
D
Explanation
Let's assume the father's monthly income is represented by "x".The total allowance given to the three children is 20% of the father's monthly income, which is 0.2x.The second child received N3,000, which is 25% of the total allowance. So, we can set up the equation:0.25 * 0.2x = N3,000Simplifying the equation:0.05x = N3,000Dividing both sides of the equation by 0.05:x = N3,000 / 0.05x = N60,000Therefore, the father's monthly income is N60,000.
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