-15+15 - 9y =39+15
-9y=54
y= -6
Answer:
Step-by-step explanation:
50/50 chance of getting a yellow marble.
Explanation:
There are 10 yellow marbles in the bag, and the other half are other colors. This would create a 50/50 ratio.
I am honestly super rusty with probability but oh well...
Answer: It will take 4.4 hours to fill the pool.
Step-by-step explanation: One pump can fill a swimming pool in 8 hours and another pump can fill it in 10 hours. If both pumps are opened at the same time, how many hours will it take to fill the pool?
Aprox. 4.4 hours.
Hope this Helps!