Mathematics, 21.07.2019 19:00 kkmoney
Plz 1: there are 15 people in a book club. ten people read for an average of 65 minutes each day. the remaining people read for an average of 35 minutes each day. what was the average reading time for the entire book club each day? enter your answer in the box. 2: at the karate school, class a has 8 students with an average age of 6 years. class b has 12 students with an average age of 9 years. the classes combine for a group workout. what is the average age of the combined classes? enter your answer as a decimal in the box. 3: last year the sales at a bookstore were 75% fiction books, and 25% nonfiction books. the average cost of a fiction book was $15. the average cost of a nonfiction book was $16. what was the average cost of all fiction and non-fiction books sold at the bookstore last year? enter your answer as a decimal in the box. 4: at a tennis event, 10% of
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Plz 1: there are 15 people in a book club. ten people read for an average of 65 minutes each day. t...
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