Solve the following word problems.
Plzz answerr (50pts)

Answer:
1. 8/7
2. 23/14
3. 20
4. 40
Step-by-step explanation:
1. 3/4 * 2/9 * 4/7 * 12 = 288/252 =8/7
2. 5 3/4 ÷ 3 1/2
23/4 ÷ 7/2 = 23/4 * 2/7 = 23/14
3. 50 * 3/5 = 30 girls
50 - 30 = 20 boys
4. 50 * 4/5 = 40 questions