Damian has 18 marbles in a bag. Four marbles are blue, nine marbles are green, and five are red. Damian randomly selected a marble from the bag, replaced it, and drew again. He repeated this for ten selections and recorded his results in the tally chart below.

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step-by-step explanation:

to determine the unit cost your would divide the total cost by the number sold.

7 bagels for $4.41       $4.41/7 = $.63 each at fresh side

5 bagels for $3.60         $3.60/5 = $.72 each at value mart

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step-by-step explanation: