Given the table demonstrating the law of diminishing margina…
Source: JAMB · 2023
Given the table demonstrating the law of diminishing marginal utility below, what is the value of X?
| No. of oranges Consumed | Total Utility | Average Utility | Marginal Utility |
|---|---|---|---|
| 1 | 9 | 9 | – |
| 2 | 16 | 8 | X |
| 3 | 24 | 8 | 6 |
| 4 | 30 | 7.5 | 4 |
| 5 | 34 | 6.8 | Y |
| 6 | 36 | 6 | 2 |
| 7 | 36 | 5.1 | 0 |
Explanation
Marginal utility is the extra total utility from one more orange.
X = 16 − 9 = 7.
The pattern fits: the next values are 6, 4, 2 and 0, so each extra orange adds less than the last.
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