Answer:
Two systems of equations are equivalent if they have the same solution(s).
Answer:
It would take them 6 hours to fill an empty tank.
Step-by-step explanation:
Add the amount of time it takes Pipe A and Pipe B to fill an empty tank together (5 + 7) and then divide your sum by two. You should get 12 / 2 = 6.
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Is there a picture to this
Answer: .5
Step-by-step explanation:
1/5 = 20%
5/25=20%
.5= 50%
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