Answer:
6/13
Step-by-step explanation:
Answer:
X_2
Step-by-step explanation:
X_2/5+2X+1/2= 12x_1/10
9514 1404 393
Answer:
6
Step-by-step explanation:
Any of the three can be in first place.
Any of the remaining two can be in 2nd place.
The remaining swimmer will be in 3rd place.
There are 3 × 2 × 1 = 6 possible orderings of the swimmers.