two pages that face each other in this book have 225 as the sum of their page numbers. what are the page numbers?
2 answers:
Answer:
<em>112, 113</em>
Step-by-step explanation:
The pages are facing pages, so the page numbers are consecutive integers.
225/2 = 112.5
One page is 112, and the other page is 113.
x = one page
x + 1 = next page
x + x + 1 = 225------------ sum of pages is 225
2x + 1 = 225
2x= 224
x =112
pages are 112 and 113
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