Tickets for a film show were sold at GH₵4 per adult and GH₵2 per child. The total amount raised from 500 tickets sold was GH₵ 1,600. Find the number of

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