Math

When Albert flips open his mathematics textbook, he notices that the product of the page numbers of the two facing pages is 156. Which equation could be used to find the page numbers that Albert is looking at?

a. x+(x+1)=156
b.(x+1)+(x-2)=156
c.(x+1)(x+3)=156
d.x(x+1)=156

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  1. its D

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  2. why is it D?

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  3. well, product implies the multiplication of two numbers

    so that eliminates answers "a" and "b" because those are addition

    then i said one page was equal to "x"
    and then the next page would be "x+1" because its number is one unit greater than the other because its only one page more

    therefore its
    x(x+1)

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  4. thank you!

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  5. no problem!

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