Which is cheaper for a $56 item that cost $9.25 to ship. a 15% coupon off the cost of the item or free shipping

Anne is twice as old as bill, and bill is 3 years older than christie. the sum of anne s and christie s ages equal 72. find their age difference.?

The la dodgers hit the most homeruns in 2014. the number of homeruns accounted for 6% of the entire major leauge baseball homerun count. if 583 total homeruns were hit, approximately how many did the la dodgers hit

Which one is the correct answer, and why?