Plz help me with this quick 30 points plz give me the right answers plz help me thanks

Answer:
1b. 2/3
2b. 4/3
3b. 3
Step-by-step explanation:
To get the answers to each of these, first change the percentage to a decimal. Then change the mixed number to an improper fraction. Then multiply.
1b.
50% * 1 1/3
5/10 * 4/3
20/30
2/3
2b.
40% * 3 1/3
4/10 * 10/3
40/30
4/3
3b.
80% * 3 3/4
8/10 * 15/4
120/40
3