Arock climber climbs an average of 12.6 feet per minute. how many feet will the climber climb in 30 minutes? write an equation and solve.

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