Segment CK is 3 times larger than segment EF, while CK is 15 cm longer than EF. Find the length of segment EF and CK.

univerkov | December 30, 2020 | education

Let’s make a diagram:
SC _ _ _ 15
EF _
1) 3 – 1 = 2 (parts) – SC more than EF by 2 parts
This means that 2 parts are 15 cm.Consequently:
2) 15: 2 = 7.5 (cm) – 1 part, that is, the length of the segment EF
3) 3 * 7.5 = 22.5 (cm) – length of the segment CK
Answer: CK = 22.5 cm, EF = 7.5 cm

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