SOLUTION: a restaurant offers a sandwich and salad lunch. there are four possible salads, five breads and k types of meats available for the sandwich. If the total possible lunches is 40, fi

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Question 620835: a restaurant offers a sandwich and salad lunch. there are four possible salads, five breads and k types of meats available for the sandwich. If the total possible lunches is 40, find the value of k.
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

a restaurant offers a sandwich and salad lunch. 

there are four possible salads, five breads and k types of meats available for the sandwich. 

If the total possible lunches is 40, find the value of k.

  4%2A5%2Ak+=+40   k = 2