A book store was selling 5 books for $27.75. Online the you could buy 6 books for $32.16. Which place has a lower unit price
1 answer:
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#1.
Here what you do is cross multiply.
#2.
Same as #1, just cross multiply.
You get the gist?
Here what you do is cross multiply.
#2.
Same as #1, just cross multiply.
You get the gist?
