Part way through painting her room, Sam runs out of paint.
• She estimates that there are about 125
square feet left to paint.
• The purple paint that Sam is using is only
available in 1-quart cans. (Assume she must
buy whole cans of paint.)
• Each can of paint covers 40 square feet.
How many cans of paint does Sam need to buy to finish
painting her room? Explain to Sam why she needs this
many cans of paint.