The solution to the problem is as follows:
Given: 2.5 lb
Asked: 2.5 lb -----> kg
Answer:
2.5 lb * ( 1 kg/2.2 lb) = 1.1 kg
Therefore, the weight of the book in kg is 1.1 kg.
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1) is the first answer and 2) is the last answer
Answer:

Step-by-step explanation:
There are 60 minutes in 1 hour
To express as a fraction

Divide numerator/denominator by 15
= 
Answer:
3/4 is what you are adding
17/4+3/4=20/4=5