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13 November, 14:44

A group of 18 people ordered soup and sandwiches for lunch. Each person in the group had either one soup or one sandwich. The sandwiches cost $7.75 each

and the soups cost $4.50 each. If the total cost of all 18 lunches was $113.50, how many sandwiches were ordered?

A. 7

B. 8

C. 9

D. 10

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Answers (2)
  1. 13 November, 15:29
    0
    10 sandwiches were ordered
  2. 13 November, 18:07
    0
    D. 10

    10 sandwiches at $7.75 each = 10 * $7.75 = $77.50

    $113.50 - $77.50 = $38

    $38 : 8 soups = $4.50 or 8 soups at $4.50 = $38
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