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Nova Press: Set C - Substitution (Plugging In)
Question Name | Average time to answer (seconds) | Total correct answers | Total incorrect answers |
---|---|---|---|
The ten’s digit of a two-digit number is twice the unit’s digit. ... ... | 87 | 64 | 23 |
If , then N = | 38 | 74 | 4 |
Suppose half the people on a bus exit at each stop and no additional passengers ... ... | 114 | 46 | 30 |
The sum of the digits of a two-digit number is 12, and the ten’s digit ... ... | 52 | 63 | 14 |
If , then x could be | 105 | 61 | 15 |
Which one of the following is a solution to the equation ? | 45 | 78 | 4 |