Question

A group of 18 people ordered soup and sandwiches for lunch .each person in the group had either one soup or one sandwich.the sandwhiches cost $7.75 each and the soups cost $4.50 each.if the cost of all 18 lunches was $113.50 ,how many sandwhiches were ordered?

Answer 1

$7.75 * 10 = $77.50
$4.50 * 8 = $36.00

$77.50 + $36.00 = $113.50

= 10 sandwiches