4. Tom and Bina read 34 books in a month. Bina and Weiming read 58 books in the
same month. Welming read twice as many books as Tom. How many books did
Bina read in that month?
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Answer:. 10
Step-by-step explanation:
Lets assume that no. of books read by Tom ,Bina and Welming are a,b and c respectively.
According to the question
a+b=34 b+c=58 c=2a
On solving the equations we get b=10 .
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