2013 UNCO Math Contest II Problems/Problem 7
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 
seconds
per dish and her dad takes 
seconds per dish, how long does Suzie take per dish?
Solution
seconds per dish
See Also
| 2013 UNCO Math Contest II (Problems • Answer Key • Resources) | ||
| Preceded by Problem 6 |
Followed by Problem 8 | |
| 1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 | ||
| All UNCO Math Contest Problems and Solutions | ||
