Everything at a store is marked down by 20%. The regular price of a pair of shoes is $60. What's is the amount marked down? What is the new price of the shoes after the markdown?

Scrub a dub toothbrushes are $4.00 each. there is a 10% discount, but there is also a 6% sales tax after the discount is applied. what is the new price after tax? round to the nearest penny