Mary paid #13.60 on a hamster toy, and a cage cost her $14.90 with 2 $20 bills. she also found a dollar bill on the ground. how much change did she receive?

cost = 13.60 + 14.90

cost = 28.50

money = 2*20+1 = 41

41-28.50 =change

change=12.50

a

step-by-step explanation:

answer: c.  

step-by-step explanation:

mixtures containing substances that get attracted to magnet can be separated using a magnet. we can separate iron from a mixture of sand and iron, as only iron attracts to the magnet.