Tim, the baker, is purchasing two types of chocolate: milk and dark. Every month he needs at least 50 pounds of milk
chocolate and 40 pounds of dark chocolate. His supplier
offers two brands he can purchase.
Brand X costs $12 a box and has 8 pounds of milk chocolate
and 4 pounds of dark chocolate.
Brand Y costs $15 a box and has 5 pounds of milk chocolate
and 10 pounds of dark chocolate.
Part A
How many boxes of each brand should Tim purchase
to minimize cost? Enter the values in the first and second
response boxes.