The answer is 838.09528(09528 has a line above it)
Answer How many liters of a 20% acid solution should be mixed with 30 liters of 50% acid solution in order to obtain a 40% solution. ... x=15 liters 15*(.20 pure acid)=3 liters 30*(.50 pure acid)=15 liters That is 18 liters pure acid That is 45 liters solution *0.45 pure acid=18 liters.
Step-by-step explanation:
I believe the correct answer is yes I’m not sure tho
73 and 83 are your answerr
Your answer is = (x^2-5x+7)