Question

Mrs. Wise bought 3 lb of apples at $4 per lb. The following day

there was 20% discount so she bought another 5 lb. What was
the average price for all apples she bought?

Answer 1

$3.50/lb

Explanation:

p=(3*4+5*4(100-20)/100/8

p=(12+16)/8

p=$3.50/lb