Question: Answers with no solution or valid explanation are not acceptable. You may use any strategy for as long as it is mathematically sound. Answer using

Answers with no solution or valid explanation are not acceptable. You may use any strategy for as long as it is mathematically sound. Answer using GIVEN, UNKNOWN, FORMULA, SOLUTION, AND ANSWER.

1. Amethyst purchased a number of stickers for Php180.00 and sold all except 6 pieces at a profit of Php2.00 per sticker. With the total amount received, she could buy 30 more items than before. Find the number of stickers she originally bought and the cost of each in pesos.

2. There was a box of biscuits on the table. Arianne and Betty ate half of the biscuits. Then Charlie came along and noticed the biscuits. He ate one-third of what was left in the box. Diana, who was waiting around nearby, decided to take one-fourth of the biscuits left in the box. Then Eddie came rushing up and took one biscuit to munch on while watching TV. When Fe looked at the box, she saw there were two biscuits left. How many biscuits were in the box to begin with?

3. Krissy and Dolly can bake a cake in 3 hours. Individually, one of them would do the job in 1 hour less time than the other. How long would it take each girl to bake a cake alone?

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