Answer:
x = 2
Step-by-step explanation:
because the pint is at the meddle the 2 sides are equal in length therfore:
29 = 9+10x
29 - 9 = 10x
20
then x = 2
1. 1
2. 55/100
3. 77/103
-2, 2 and for the other 4,5
540ml with 12% solution
get 12% of 540
540 times 0.12 = 64.8 ml of pure acid