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Lena buys 3 cans of soft drinks and 5 sandwiches for a picnic . Patrick buys 9 cans of soft drinks and 10 sandwiches for the same picnic . Let c be the cost of soft drinks . Let s be the cost of sandwiches. Write an equation that represents the total cost

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Answer:

for Lena

C = 3x   C + 5x

for Patrick

C = 9x  C = 10x

for total  C = 12x + 15x

Step-by-step explanation:

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