Three girls went on a vacation, each wearing a red "Love to travel" T-shirt. They each have brought 9 other clean tops, but are fairly active, and as a result each top becomes dirty after wearing it for a day,

They wanted to wear a clean top each day, so fortunately, their cabin came with a washer and drier, however, they could only wash two girls' clothes at a time, so the first and third girls had to wait until the next day to wash their clothes once each.

Their vacation lasted 3 weeks (including the day they left), so each girl washes her clothes twice while on vacation.

Here is a list of when they wore what. (Note they wore only one top per day.)

First girl:

1. Red "Love to travel" T-shirt
2. Floral tank top
3. Green camisole
4. White "I *heart* levik" T-shirt
5. Gray short-sleeve shirt
6. Blue long-sleeve shirt
7. Pink poodle T-shirt
8. Orange tank top
9. Green camisole
10. Yellow "Sled Shiver Sally" T-shirt
11. Floral tank top
12. Gray short-sleeve shirt
13. Black "Night Owl" T-shirt
14. Pink poodle T-shirt
15. Red "Love to travel" T-shirt
16. Yellow "Sled Shiver Sally" T-shirt
17. Blue long-sleeve shirt
18. Orange tank top
19. Floral tank top
20. Green camisole
21. "I *heart* levik" T-shirt

Second girl:

1. Red "Love to travel" T-shirt
2. Floral short-sleeve shirt
3. Orange tank top
4. Green cougar T-shirt
5. Gray long-sleeve shirt
6. White "Mind your Pids and Queues" T-shirt
7. Yellow sunshine shirt
8. Black "Dark as Night" T-shirt
9. Green cougar T-shirt
10. Orange tank top
11. Red "Love to travel" T-shirt
12. Gray long-sleeve shirt
13. Pink tank top
14. Floral short-sleeve shirt
15. White "Mind your Pids and Queues" T-shirt
16. Blue tank top
17. Yellow sunshine shirt
18. Orange tank top
19. Floral short-sleeve shirt
20. White "Mind your Pids and Queues" T-shirt
21. Red "Love to travel" T-shirt

Third girl:

1. Red "Love to travel" T-shirt
2. Floral long-sleeve shirt
3. Gray "Undecision" T-shirt
4. Pink "Pretty in Pink" T-shirt
5. Blue coy toy T-shirt
6. Orange short-sleeve shirt
7. Yellow tank top
8. Floral long-sleeve shirt
9. Blue coy toy T-shirt
10. White "Welcome to Truth Town" T-shirt
11. Yellow tank top
12. Black "Fun at Night" T-shirt
13. Pink "Pretty in Pink" T-shirt
14. Orange short-sleeve shirt
15. Green long-sleeve shirt
16. Gray "Undecision" T-shirt
17. Blue coy toy T-shirt
18. Floral long-sleeve shirt
19. Yellow tank top
20. Black "Fun at Night" T-shirt
21. Red "Love to travel" T-shirt

From this information, what day did each girl wash her clothes?

Notes: Each girl washes her current top when she washes her other dirty clothes, so it is clean for following days. Differences between lights/darks or types of tops do not matter in the washing process.

Girls 2 & 3 washed their clothes on Day 6, with Girl 1 following on Day 7.

Girls 1 & 2 washed their clothes on Day 15, with Girl 3 following on Day 16.

Posted by Jyqm on 2006-09-11 21:47:24