Ming won 121 lollipops playing basketball at her school's game night.
Later, she gave four to each of her friends.
She only has 9 remaining. How many
friends does she have?

The ivring berlin learning center would like a possible net profit of $650,000 on its new resource manual it sells to schools. the fixed costs for producing the manual are $780,000 and the variable cost per package is $19.85. if the estimated unit sales are 1,250,000 units, what selling price unit should the ivring berlin learning center try?