In a certain kingdom, the demand function for rye bread was q = 381 − 3p and the supply function was q = 5 + 7p, where p is the
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X - the number of sandwiches ordered
y - the number of soups ordered
There were 18 people, and each person ordered either one soup or one sandwich.
The sandwiches cost $7.75 each, the soups cost $4.50 each. The total cost was $113.50.
Set up a system of equations:
10 sandwiches were ordered.
The answer is D.
y - the number of soups ordered
There were 18 people, and each person ordered either one soup or one sandwich.
The sandwiches cost $7.75 each, the soups cost $4.50 each. The total cost was $113.50.
Set up a system of equations:
10 sandwiches were ordered.
The answer is D.