1 point
 6. At five below there is a discount of $5 for every 4 items you buy. If the
 receipt show discount of $20 how many items did you buy?*
 HINT: This problem is similar to #6, page 90
 O A You bought 20 items
 B You bought 15 items
 C You bought 16 itmes
 D You bought 8 items