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:
1/3
Step-by-step explanation:
Answer:
Prob 25
Step-by-step explanation:
10x+5=16x-7
Equal 2
10(2)+5=25
and J is congruent to M
Answer:
6 and 7
Step-by-step explanation:
lol just use a calculator ツ
Y = 1/6x^2 i would love the brainliest plz