Melissa and rachel like to make funny hats. melissa has made 20 zebra-printed hats, and rachel has made h striped hats. together they have made a total of 42 hats. write an equation to describe this situation.

Jake bakes and sell apple pies. he sells each pie for $5.75 . the materials to make the pies cost $40. the boxes jake puts the pies in cost & 12.50 total. how many pies does jake need to sell to earn a profit of $50