a number when added to its two-thirds is equal to 55. find the numer.
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Let the number x and 2/3 of x is 2x/3
Then
x+2x/3=55
(3x+2x) /3=55
5x=55*3
x=55*3/5
x=11*3
x=33
_____________________ ___________
Verification ------
2/3 of 33 is 11*2=22
And number is 33
Then 33+22=55
______________________________
Hence, the numbers are 33 and 22
Then
x+2x/3=55
(3x+2x) /3=55
5x=55*3
x=55*3/5
x=11*3
x=33
_____________________ ___________
Verification ------
2/3 of 33 is 11*2=22
And number is 33
Then 33+22=55
______________________________
Hence, the numbers are 33 and 22
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