Posted by **Anthony** on Thursday, May 5, 2011 at 1:02pm.

How to complete the following number sentences so that the answer to each is 1.

x/100 + 6/100 +75/100 =1

x/10- 2/10- 4/10 -2/10 = 1

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**Ying**, Thursday, May 5, 2011 at 1:09pm
Below are the answers:

19/100 + 6/100 +75/100 =1

18/10- 2/10- 4/10 -2/10 = 1

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**Anthony**, Thursday, May 5, 2011 at 1:22pm
explain it to me please because I'm confused

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**Anthony**, Thursday, May 5, 2011 at 1:27pm
could you work out the problems so i could get a better understanding how to solve x

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**Ms. Sue**, Thursday, May 5, 2011 at 1:28pm
x/100 + 6/100 + 75/100 =1

x/100 + 81/100 = 100/100

x/100 = 19/100

x = 19

Try the second one yourself. I'll be glad to check your answer.

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**Anthony**, Thursday, May 5, 2011 at 1:29pm
x/90 -10/90-4/90-2/90=1

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**Anthony**, Thursday, May 5, 2011 at 1:33pm
18/20-6/20+x/20=1

x=20-18+6

x=8

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**Ms. Sue**, Thursday, May 5, 2011 at 1:37pm
Your last problem is correct.

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**Anthony**, Thursday, May 5, 2011 at 1:39pm
x/90-10/90-4/90-2/90=1

x/90-6/90-2/90

x/90-4/90=90/90

x=86

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**Anthony**, Thursday, May 5, 2011 at 1:40pm
what about this one

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**Ms. Sue**, Thursday, May 5, 2011 at 1:41pm
You're on the right track and close. However, you missed -2/90 in the original problem.

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**Anthony**, Thursday, May 5, 2011 at 1:44pm
3/19-1/19+7/19+x/19=1

x=19-3+1+7

x=16+8

x=24

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**Ms. Sue**, Thursday, May 5, 2011 at 1:49pm
In this problem, 19 is the denominator. When adding and subtracting fractions with the same denominator, only add or subtract the numerators.

http://www.math.com/school/subject1/lessons/S1U4L3GL.html#sm1

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**Anthony**, Thursday, May 5, 2011 at 1:50pm
i subtract 6/90-2/90

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**Anthony**, Thursday, May 5, 2011 at 1:52pm
thanks a lot

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