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Word Problem Help!!!

Please Help!!!
 
Classrooms on one side of the language arts building are all numbered with consecutive odd integers. If the first room, the room with the smallest number is labeled y write an expression in y for the sum of the first 5 classroom numbers in a row. .Then simplify the expression

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SURENDRA K. | An experienced,patient & hardworking tutorAn experienced,patient & hardworking tut...
2
The first number is y
Second is.              y+2
Third is.                 y+4
Fourth is.               y+6
Fifth is                   y+8
 
Sum = y+y+2+y+4+y+6+y+8
 
        = 5y + 20