ans is 7/2
-1= -6x+20
6x=21
x=7/2
Answer:
Step-by-step explanation:
x = 550 ÷ 33
what are the answer choises
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.
