Answer:24
Step-by-step explanation:
0.5 is half to get a whole 12x 2 =24
408 round to the nearest tenth: 410
Ratio s 3:8
other one is x:12
3:8=x:12
3/8=x/12
times both sides by 12
36/8=x
4 and 4/8=x
4.5=x
4 and 1/2=x
J is answer
If you are talking about what is in between the two sets of parentheses then the answer would be multiplication hope that helped