Calculated 6501

Alenka calculated that reading ten pages of the book every day would take her 18 days. However, a week later, she decided to read 11 pages every day. How many days did it take her to read the book?

Correct answer:

d =  17

Step-by-step explanation:

10 (187) = 11 (d7) 10:(d7) = 11:(187)  10 18=10 7+11 (d7)  11d=187  d=11187=17  d=17



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