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Anonymous Anonymous
  • 04-10-2015
  • Mathematics
Answered

last summer, karl went to the beach every 5 days. Antonia went to the beach every 7 days. how often did they get see each other at the beach?

(need the answer asap!)

Verified Answer :

Anonymous Anonymous
  • 04-10-2015

Find the lcm of 7 and 5.
7: 7, 14, 21, 28, 35,
5: 5, 10, 15, 20, 25, 30, 35
so they got to see each other every 35 days. 

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