Since 25% is smack in the middle between 20% and 30%, it will take equal volumes of ech to make a 25% solution.
Since 4 gallons of 30% solution was used, so 4 gallons of 20% solution will be needed.
Answer:
25
Step-by-step explanation:
z+3z+25=125
4z=100
z=25
maybe 1/5 (409) ::(880) 1+2
Answer:
1.38888889
Step-by-step explanation:
Do the math on the calculator to get the answer.
Answer:
huh
Step-by-step explanation: