You can buy 5 bottles because $4 times 5 equals $20. I hope this helps :)
Answer:
the answer is 
Step-by-step explanation:
You have to find the common denominator in order to get the sum.
multiply 5 to
and you get 
then to double check the sum, subtract it.

hope this make sense :/
Answer:
Try going on D.e.s.m.o.s.c.o.m it worked for me when I had something like this
Step-by-step explanation:
GURL POWER
Answer:
It would equal 6 hours
Step-by-step explanation: you would have to divide 150 and 2 1/2 and get 60 then dovide by 360 and you will get 6 as in 6 hours