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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 a soft drink. Let s be the cost of a sandwich. Write an expression that represents the total cost.

Respuesta :

T0pp1ngs

Answer:

3c+5s+9c+10s= total cost

or

12c+15s= total cost

Step-by-step explanation:

Lena bought 3 cans of soft drinks, or 3c

she also bought 5 sandwiches, or 5s

Patrick bought 9 cans, or 9c

he also bought 10 sandwiches, or 10s

if you add them all up you would get the total cost