Question

A restaurant sells sandwiches and will deliver for an additional cost. To have three sandwiches delivered, it costs $20. To have four sandwiches delivered, it costs $26. How many sandwiches can be delivered for $80?

Answer 1

12 sandwiches

Explanation:

If 3 sandwiches cost $20

Then x sandwiches cost $80

3----20

x----80

20x=3 x 80

20x=240

x=240/20

x=12 sandwiches