Maria invests $6,154 in a savings account with a fixed annual interest rate of 8% compounded weekly. what will the account balance be after 10 years?

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