Recall that
There are three cases to consider:
(1) When
, we have 
and 
, so
(2) When
and 
, we get 
and , so
(3) When
, we have and 
, so
So
There are three cases to consider:
(1) When
(2) When
(3) When
So
The school office ordered 24 boxes of pens. Their total cost was $19152. What was the cost of 1 box of pens?
1 answer:
You might be interested in
