Answer:
1,225
Step-by-step explanation:
you mutuply the sides
Answer:
I think ots 15/8 or 1 7/8 mph
Step-by-step explanation:
if they walked it in 1/5 per hour then jist multiply 3/8 by 5/1 to get 15/8 mph
Answer:
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Step-by-step explanation:
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Answer:
20
Step-by-step explanation:
The new mixture has a total volume of 5 L + 9 L = 14 L.
70% of the 5 L alcohol solution is alcohol, so that it contributed 3.5 L of alcohol to the mixture. The pure water contributed no alcohol. So in the mixture, the concentration of alcohol is
3.5 L / 14 L = 0.25, or 25%