Answer:
4.
Step-by-step explanation:
7n - 12 = 16
7n = 16 + 12 = 28
Since 7n = 28, n = 28 / 7 = 4.
Answer:
1/9
Step-by-step explanation:
If the two players choose randomly, there are 3×3 = 9 possible outcomes. Of those, only one is "Bobby chooses paper and wins."
The probability of that event is 1/9.
Answer:
A car slows to stop at a stop sign. Once traffic is clear, the car speeds up.
Step-by-step explanation:
The lines are longer, signifying faster movement, and then shorter, signifying slower movement, and then vice versa.
Answer:
-5
Step-by-step explanation:
Let the number be n
Three times the number: 3n
Subtracted from 2: 2-3n
Twice the number: 2n
Added to 27: 27+2n
2-3n = 27+2n
-25 = 5n
n = -5
