1.

Reena read a book for 1 3/4 hours everyday. She read the entire book in 4 days. How many hours in all were required by her to read the book?

Answer»

Answer:

REENA read the book in 7 hours

Step-by-step explanation:

no. of hours she reads = 1 3/4

no. of DAYS took to complete book = 4

this means sh read for 1 3/4 hours 4 times

so,

total hours TAKEN to read book = 1 3/4 X 4

                                                   = 7/4 x 4/1 (improper fraction)

                                                   = 7/1 x 1/1 (cancel both 4's by 4)

                                                   =7/1 = 7 hours

hence, reena read the book in 7 hours



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