Reading book

Susan read a 250-page book. On the first day, she read 20% of the book. On the second day, half of the remaining pages. How many pages of the book has it unread?

Correct answer:

c =  100

Step-by-step explanation:

n=250 r=20%=10020=51=0.2  a=r n=0.2 250=50 b=1/2 (na)=1/2 (25050)=100 c=n(a+b)=250(50+100)=100



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