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Mathematics 7 Online
OpenStudy (anonymous):

Devon and his friends bought strawberry wafers for $3 per packet and chocolate wafers for $1 per packet at a carnival. They spent a total of $30 to buy a total of 22 packets of wafers of the two varieties.How many packets of chocolate wafers and strawberry wafers did they buy? Explain how you got the answer and why you selected a particular method to get the answer

OpenStudy (anonymous):

3x + 1y = 30 x + y = 22 Where 'x' represents the number of strawberry wafer packets, and 'y' represents the number of chocolate wafer packets.

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