5 liter bucket with the 3 liter bucket twice, and then use the 3 liter bucket and the 4 liter bucket twice.
Question 4:
18(A)+7(S)+10(G)=35 lollipops
35/10=3.5
35/18=1.99(repeating)
35/7=5
I hope that helps in some way. <span />
Answer:

Step-by-step explanation:

Keep the variables in the left side & rest in the left side:




10 because x+x = 20
a+b=c