Answer:
8 and 2 thirds
Step-by-step explanation:
6 and a half divided by 3 is 2 and 1/6, so since the new ned is a whole (the 6 and a half) and a third of the whole(2 and 1/6) the new weight is 8 and 2/3
4 boys
3 × y = 1 × 12
3y = 12
3y ÷ 3 = 12 ÷ 3
y = 4
-3
x=2