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Lena buys 12 cans of soft drinks and 11 sandwiches for a picnic. Patrick buys 10 cans of soft drinks and 7 sandwiches for the same picnic. Let c be the cost of a soft drink. Let s be the cost of a sandwich. Write an expression that represents the total cost.

2 Answers

5 votes
The answer would be 22c + 18s
User Gravityboy
by
7.1k points
1 vote

Answer:

22c + 18s

Explanation:

Lena buys:

12c + 11s

Patrick buys;

10c + 7s

Total cost is the sum of the both Lena and Patrick's purchase

12c + 11s + 10c + 7s

collect like terms

12c +10c + 11s + 7s

22c + 18s

User Bill Parker
by
6.8k points