Individual 64124

The line is divided into two parts in a ratio of 4:7. The difference in lengths of individual parts is 18 cm. What is the length of the line in cm?

Correct answer:

x =  66 cm

Step-by-step explanation:

a:b = 4:7 ba = 18   cm  7d  4 d = 18 3d = 18 d=18/3=6 cm  x=(4+7) d=(4+7) 6=66=66 cm   Verifying Solution:  a=4 d=4 6=24 cm b=7 d=7 6=42 cm r=ba=4224=18 cm X=a+b=24+42=66 cm



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