Seamstress

The seamstress cut the fabric into 3 parts. The first part was the eighth fabric, the second part was three-fifths of the fabric and the third part had a length of 66 cm. Calculate the original length of the fabric.

Correct result:

x =  240 cm

Solution:

x/8 + 3/5 x + 66 = x

x/8 + 3/5•x + 66 = x

11x = 2640

x = 240

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