Use distributive property 25(20-4p)+8
1 answer:
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1 and 3 = angle of elevation
2 and 4 = angle od depression
2 and 4 = angle od depression
Answer:
70 [milliliters]
Step-by-step explanation:
Since the solution consists of 90% alcohol, the 63 milliliters of alcohol must represent 90% of the entire solution. Let the solution have milliliters in total. We have the following equation:
Divide both sides by 0.9:
Therefore, there are 70 milliliters in the solution.