Mrs collins cut a piece of yarn into 8 equal pieces. she used piece for a craft project, so 7|8 is left. how can you write 7/8 as as a sum of unit fractions?

Fanny mendelssohn manages all the magazines and paperback books at a local grocery store. she prices many paperbacks to sell at $7.99. the cost to the store is $5.29. what is the markup rate on a paperback book, based on its cost?

How is this equation completed? i cannot find any examples in the book.

(30 points). the population of a city is 45,000 and decreases 2% each year. if the trend continues, what will the population be aer 15 yrs