The total bill for a lunch is $15.00. the server is good so u leave 20%.how much is it?

1.The total bill for a lunch is $15.00. the server is good so u leave 20%.how much is it??

2.spagettie cost 99c a pound,sauce cost 2.59,garlic bread 2 loaves for 1.39. you invited friends u need 2 pounds of spagettie, 2 jars of sauceand 3 loaves of bread.nearest dollar how much will it cost???

3.richard wants to cover this 8″by 10″by 5″box with contact paper.how many square inches contact will he need?how much ribbon will he need itself if the bow adds 15 inches??

4.fabian bought 6 notesbooks at school bookstore .he gave the clerk $6. if 2 notebooks cost 1.77 dollars and the sales was 6%,how much change should he recieve.