Pharmacy

The pharmacy adds 3 liters of 95 percent alcohol and 5 liters of 38.04 percent alcohol. How much percent alcohol did the pharmacy get?

Correct answer:

p =  59.4 %

Step-by-step explanation:

V1=3 l V2=5 l  r1=95%=10095=2019=0.95 r2=38.04%=10038.04=0.3804  V=V1+V2=3+5=8   V1 r1+V2 r2 = p/100   V  L=V1 r1+V2 r2=3 0.95+5 0.3804=125594=4.752 l  p=100 VL=100 84.752=59.4%



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