Elsie bought a video game for $85.00. if the store charges 170% of what it paid for the game, how much is the stores profit

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