Please answer these problem for me.Thanks so much.
1. Border's Bookstore ordered 800 art books. On verifying the order, only 160 books were actually received. The percent of the order missing was:
2. The net price equivalent rate of 9/15/18 is:
3. If the net price of a stove is $900 and the trade discount rate is 40 percent, the list price is (complement):
4. 200 days from March 3 is: