There are some logic ways to do this, but algebraically, this is how:
x + (x+1) = 145
2x + 1 = 145
2x = 144
x = 72
So, 72 and 73
2007-04-06 06:53:59
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answer #1
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answered by Mathematica 7
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Two unknown Consecutive Integers, so lets call them :
x and (x+1)
Since the sum is equal to 145 that means:
x + (x+1) = 145
Solve for x:
x + x + 1 = 145
2x + 1 = 145
2x = 144 // Subtracting 1 from both sides
x = 72 // Dividing by 2 from both sides
Thats one of your integers, pluging it back to the (x+1)
72 + 1 = 73
Therefore your integers are 72 and 73!
2007-04-06 07:07:17
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answer #2
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answered by pya102 2
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We know that they're consecutive.
We'll call one integer x, and the other x+1 (since it's the integer right after the first one, it must by definition be 1 greater)
x+(x+1) = 145
2x + 1 = 145
subtract one from both sides
2x = 144
divide by 2
x=72
So the integer x is 72, and the next integer is 72 + 1, or 73.
2007-04-06 06:53:42
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answer #3
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answered by Brian L 7
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72 73
2007-04-06 06:58:14
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answer #4
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answered by gnomes31 5
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Easy!
The answer is 72 and 73 because they both equal 145 and they're both positive or how you like to say it "consecutive integers"
a positive number and another positive number both equal positive, so obviously the answer is 72 and 73.
im not good at explaining but i just know im right
2007-04-06 08:39:26
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answer #5
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answered by Hawaiian Surfer Girl 1
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72 and 73
2007-04-06 06:53:22
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answer #6
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answered by CD 1
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72 and 73
2007-04-06 06:52:58
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answer #7
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answered by Anonymous
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Divide 145 by 2 and you get 72.5 SO one has to be 72 and the other 73.
2007-04-06 06:52:44
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answer #8
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answered by Meg W 5
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let
x = the first consecutive number
x + 1 = The second sonsecutive number
145 = the sum of the consecutive numbers
- - - - - - - - -
x + x + 1 = 145
2x + 1 = 145
2x + 1 - 1 = 145 - 1
2x = 144
2x / 2 = 144 / 2
x = 144 / 2
x = 72
72 equals the first consecutive integer
73 euals the second consecutive integer
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2007-04-06 07:32:45
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answer #9
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answered by SAMUEL D 7
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72 & 73.
Divide 145 by 2 to get you the approx. answer.
2007-04-06 06:54:07
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answer #10
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answered by Scott H 3
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145/2= 72.5
So they must be the two closest to this, i.e. 72 & 73
72 + 73 =145
2007-04-06 06:52:58
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answer #11
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answered by Anonymous
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