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ABC is a straight line.

А
B
С
The length of AB is four times the length of BC.
AC = 75 cm.
Work out the length of AB.

1 Answer

4 votes

Answer:

Let length of bc be x cm

Thus, ab=4x

ab+bc=ac

4x+x=75

5x=75

x=75/5

x=15

Therefore, ab=x=15cm

bc=4x=60cm

Explanation:

User Naren Verma
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