Answer:
3 gallons
Step-by-step explanation:
Let
x ----> the amount of pure acid (100% solution) in gallons
Remember that
we know that
solve for x
therefore
3 gallons of pure acid should be mixed with 3 gallons of a 20% acid solution in order to get a 60% acid solution
Answer:
A fraction bar divided into 2 parts. 1 part is shaded.
Step-by-step explanation:
Divide your answers, as well as your problem.
Problem = 2/4 = .5
First answer = 1/2 = .5
Answer:
13
Step-by-step explanation:
2(x-1)+8=4x-20
distribute 2
2x-2+8=4x-20
2x+6=4x-20
subtract 2x from both sides
6=2x-20
add 20 to both sides
26=2x
divide both sides by 2
x=13
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Answer:
Echo stop DELeting MY Stuff
Step-by-step explanation:
12/100 = x / 90000, x = 12*90000/100 = 10800 mathematics book
