An animal shelter spends $5.50 per day to care for each bird and $7.00 per day to care for each cat. gianna noticed that the shelter spent $217.00 caring for birds and cats on friday. gianna found a record showing that there were a total of 34 birds and cats on friday. how many birds were at the shelter on friday?

An eight-sided die, which may or may not be a fair die, has four colors on it; you have been tossing the die for an hour and have recorded the color rolled for each toss. what is the probability you will roll a brown on your next toss of the die? express your answer as a simplified fraction or a decimal rounded to four decimal places.

An episode of a television show is 60 minutes long when it originally airs with commercials. on a dvd without commercials, the episode is only 417 minutes long. how many1-minute commercials did the episode include when it originally aired? write and solve an equation to justify your answer.

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