Jared uses 24 tiles to cover the top of his desk of the 24 tiles 3/8 are blue how many of the tiles are blue

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