At a special sale, all pens are sold at one price and all pencils at anothes price. If 3 pens and 2 pencils are sold for 47¢, while 2 pens and 3 pencils arc sold for 38¢, what is the cost of a set of one pen and one pencil, in cents? dsion E Olympiads

2 ? Select three that apply. Which of the following situations results in an answer of 3 Three cats share 2 cans of tuna. How much of a can does each cat receive? Three dogs each drink 2 cups of water. How many cups of water do the dogs drink in all? Three cupcakes are divided among 2 children. How much of a cupcake does each child receive? Two apples are split among 3 people. How much of an apple does each person receive? Two bags of bird seed are split among 5 parrots. What fraction of a bag does each parrot receive? Two gallons of water are needed to fill 3 fish tanks of equal size. How many gallons of water are required for each tank?

Assume that the pond contains 100 fish: 82 blue, 17 orange, and 1 red. A contestant pays $0.65 to randomly catch one fish and receives $0.25 if the fish is blue, $0.90 if the fish is orange, and $14.00 if the fish is red. How much (on average) does the carnival gain on each play? (If the carnival looses money, enter a negative dollar amount)

A raffle is being held to benefit the local animal shelter.  They sell 727 tickets that do not win any prize, 10 tickets that win a free adoption (valued at $20), and one ticket that wins $138 worth of pet supplies and toys.  If they are selling the tickets for $5 each, how much should the shelter expect to earn for each ticket sold?