Scotty buys 12 cans of Pepsi for $6. At this rate, how much would he pay for 48 cans of Pepsi.
2 answers:
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divide total paid by number of pencils for price of 1 pencil
4.50 / 18 = 0.25 for 1
so you would put a dot at (1, 0.25) (2,0.5) (3,0.75) etc and draw a line through the dots
see attached picture:
