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jenyasd209 [6]
3 years ago
13

Two pages that face each other in a book have 421 as the sum of their page numbers. What is the number of the page that comes fi

rst?
Mathematics
1 answer:
nordsb [41]3 years ago
4 0

Answer:the pages will come on the first is  210

Explanation:

Since we have given that two pages that face each other in a book

i.e. they must be consecutive to each other

so, let the first page number be x

and the second page number be x+1

According to question,

x+x+1=421\\2x+1=421

2x=421 -1

2x=420

x=\frac{420}{2}\\=210

So, the pages will come on the first is  210

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