Difference between revisions of "2013 UNCO Math Contest II Problems/Problem 7"

(Created page with "== Problem == Suzie and her mom dry half the dishes together; then mom rests, while Suzie and her dad dry the other half. Drying the dishes this way takes twice as long as when ...")
 
m (moved 2013 UNC Math Contest II Problems/Problem 7 to 2013 UNCO Math Contest II Problems/Problem 7: disambiguation of University of Northern Colorado with University of North Carolina)
(No difference)

Revision as of 18:22, 19 October 2014

Problem

Suzie and her mom dry half the dishes together; then mom rests, while Suzie and her dad dry the other half. Drying the dishes this way takes twice as long as when all three work together. If Suzie’s mom takes $2$ seconds per dish and her dad takes $5$ seconds per dish, how long does Suzie take per dish?

Solution

See Also