Answer Yes, by AA
Explanation Alternating Angles 39 degrees
3(x+1) = regular cheese burger
5x+(-20)=-15x and there you have it
<span>F(x)=3x+5/c
</span>F(a+2)=3(a+2)+5/c
or
F(a+2)=3a + 6 + 5/c
The answers comes to be for every 1 unit of pure acid (100%) add three units of 20% and you get the desired 40%
so if you need 40 L (i don't know what container sizes there are so i can't give you an exact amount just add 1 part 100% acid and 3 parts 20% acid) <span />