The apartments in Ericas apartment house are consecutively numbered on each floor. The sum of her and next door neighbor's number is 2409. What are the two numbers?

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asked Oct 17, 2018 115k views

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SiliconValley · Answer 1 · 2018-10-22T21:06:55+0000

Let x be the number of Ericas's apartment, the number of her neighbor will be
x+1, so

x+ x+1 = 2409

2x = 2408 and x = 1204 and her next door neighbor's is 1205

The apartments in Ericas apartment house are consecutively numbered on each floor. The sum of her and next door neighbor's number is 2409. What are the two numbers?

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