9. In a morning walk four persons start off together. Their steps measure 70 cm, 75 cm, 80 cm
and 85 cm respectively. What is the minimum distance they should walk which each can
cover the distance in complete steps? Give the answer in metres.
Answers
Answered by
4
Answer:
Just find the LCM(Lowest Common Multiple) of their footsteps and you shall have your answer
Answered by
3
Answer:
prime factorisation
Step-by-step explanation:
L.C.M of 80 cm, 85 cm, and 90 cm.
80=2⁴x5
85=17x5
90=2x3¹x5
lcm of 85,80,90=2³x3¹x5x17
=12240cm
therefore , the answer we get =122m 40 cm or 122.4cm
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