You're going to find 16% of 486.40 first. Then you are going to add what you got for the first part to the original price IF you want the total price after shipping.
3/5 participate in after school sports... of these, 1/2 play lacrosse......1/2 of 3/5..." of " means multiply.. 1/2 * 3/5 = 3/10....so 3/10 play lacrosse