Simplify the following expressions by distributing ( Its three questions by the way) 4(-w + 8)
-2.5(4p - 16)
1/2(8 -4g) pls I have 10 minutes!!

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