Agrocery store is selling 3 granola bars for $1.50.
at this rate, how much will 12 granola bars cost?
a.$3.00
b.$4.50
c.$6.00
d.$18.00

Lets take the number of granola bars being sold. If you sell 3 it's $1.50. You're trying to find how much it would be to sell 12 granola bars. If you multiply 3 by 4 you get 12, so multiply the cost ($1.50) by 4 to get $6.00. I hope this helps.

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