Jo reads at a steady pace. Her current book has 210 pages. Now, she is at page 90. An hour ago, she was at page 60. For how many hours will she be reading the book?
Ҷо бо суръати устувор мехонад. Китоби ҳозираш 210 саҳифа дорад. Ҳоло, ӯ дар саҳифаи 90 аст. Як соат пеш, ӯ дар саҳифаи 60 буд. Ӯ барои чанд соат китоб мехонад?
How many pages does Jo read in an hour? ** She reads 90-60=<<90-60=30>>30 pages in an hour.
How many more pages does Jo need to read? ** She needs to read 210-90=<<210-90=120>>120 more pages.
How long will it take her to finish the book? ** For an additional 120 pages, she will need 120/30=<<120/30=4>>4 hours.
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How many pages does Jo read in an hour? ** Вай дар як соат 90-60=<<90-60=30>>30 саҳифа мехонад.  
How many more pages does Jo need to read? ** Вай бояд 210-90=<<210-90=120>>120 саҳифаи дигар бихонад.  
How long will it take her to finish the book? ** Барои 120 саҳифаи иловагӣ, вай 120/30=<<120/30=4>>4 соат лозим дорад.  
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