The answer to this question is:
83/100
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:
65 cm
Step-by-step explanation:
See the attached image. The Pythagorean Theorem says in a right triangle, (leg)^2 + (leg)^2 = (hypotenuse)^2.

Answer:
4 / ($3.28) is the correct answer
Step-by-step explanation:
As cost of one box is $3.28
the cost of four boxes will be 4 divided by the cost of one box....so that why the 4/($3.28) is correct option