At a coffee shop, 55% of the customers buy a coffee drink, 30% buy food, and 25% buy both a coffee drink and food. What is the probability that a randomly chosen customer buys either a coffee drink or food?

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