Resulting 55991

The 180 cm long bar should be cut into two parts so that the longer part is 4 cm shorter than three times, the shorter part. Find the lengths of the resulting bar sections.

Correct answer:

a =  134 cm
b =  46 cm

Step-by-step explanation:

a+b=180 a=3b4  a+b=180 a=3 b4  a+b=180 a3b=4  Row2Row1Row2 a+b=180 4b=184  b=4184=46 a=180b=18046=134  a=134 b=46

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