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How do I solve this word problem?
The room numbers of two adjacent classrooms are two consecutive even numbers. If their sum is 1038 , find the classroom numbers
3 Answers
- teekshi33Lv 49 years agoFavorite Answer
Say the number of one room is x. Then the other will be x + 2, since they are both even, and even numbers are 2 apart. The sum of them is 1038, so we can set up an equation:
x + (x + 2) = 1038
2x + 2 = 1038
2x = 1036
x = 518
So, plugging these back in to x and x+2, the room numbers are 518 and 520.
:)
- plays_poorly...Lv 79 years ago
The room numbers of two adjacent classrooms are two consecutive even numbers. If their sum is 1038 , find the classroom numbers
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n + (n+2) = 1038
2n + 2 = 1038
2n = 1036
n = 518; next room number is 520.
