Luis rides his bicycle 34 mile in 15 minutes, or 14 hour, along the bike trail. Assuming he rides at a constant rate, what is his speed, in miles per hour? Use the table to help find the answer.
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Miles 34 ?
Hours 14 ?

miles per hour needs to be a fraction

Last saturday, the museum box office sold 281 tickets for a total of $3,954. adults ticket cost $15, and students ticket cost $12. how many of each kind of tickets were sold?

Pls! does anybody know a shortcut for answering these types of questions in the future?

Marco is studying a type of mold that grows at a fast rate. he created the function f(x) = 345(1.30)x to model the number of mold spores per week. what does the 1.30 represent? how many mold spores are there after 4 weeks? round your answer to the nearest whole number. 1.30 represents the number of mold spores marco had at the beginning of the study; 985 mold spores 1.30 represents the number of mold spores grown in a given week; 448 mold spores 1.30 represents the 30% rate of weekly growth; 345 mold spores 1.30 represents the 30% rate of weekly growth; 985 mold spores