Medalllll plzzz help

A book store was selling 5 books for $27.25. Online you could buy 6 books for $32.16. What is the Unit price of buying a book in the store verses buying online and which is the better deal?

Question

Medalllll plzzz help

A book store was selling 5 books for $27.25. Online you could buy 6 books for $32.16. What is the Unit price of buying a book in the store verses buying online and which is the better deal?

yoloshroom · Answer

alright so, we want to find what the cost of one book is, in both the book store and online so that we can find out the better deal

yoloshroom · Answer

So we get 27.25/5  for the book store, and 32.16/6 for online, wanna try those numbers out for me?

anonymous · Answer

5.45 for the book store and 5.36 for online @YoloShroom

yoloshroom · Answer

Yup, so that's the price per book. According to these numbers, which is the better deal?

anonymous · Answer

Online? @YoloShroom

yoloshroom · Answer

Yup!! 
Understand it now?

anonymous · Answer

Yeah that was pretty easy can u help me with another 1? @YoloShroom

yoloshroom · Answer

Ofcourse ^_^

anonymous · Answer

A boat can travel 42 miles on 6 gallons of gasoline. How much gasoline will it need to go to 364 miles? @YoloShroom

yoloshroom · Answer

Lets see.

anonymous · Answer

Okay @YoloShroom

yoloshroom · Answer

where do you think we should start?

anonymous · Answer

Using proportions? @YoloShroom

yoloshroom · Answer

yup so try and see what 1 mile equals in gallons.

anonymous · Answer

Idk its a little confusing? @YoloShroom

yoloshroom · Answer

alright so, what i did was, |dw:1444085216755:dw|