Answer:
-5,1
Step-by-step explanation:
Hope this helps!
2/9, 2/7, 2/3, 9/7
its simplest form is 4/5
9 hours
If there's 4 people, they each need 1.5h So you multiply 1.5 by 6 and that's how you find how long it takes for 1 person.
