Answer:
1. -7/9
2. 4/6 or 2/3
3. -4/5
4. -1/4
-13/24
Step-by-step explanation:
find the common denominator then add
28 ......> 4
70........> x
28x=4(70)
28x=280
X=10
182
850-125=725
725/4=181.25
So you need at least 182 tickets sold.