EXAMPLE 1 Finding the Least Common Multiple A veterinarian at an animal clinic is on call every four days. Today is Saturday, and the veterinarian is on call. In how many more days will the veterinarian be on call on a Saturday again? Animal Clinic SOLUTION The veterinarian is on call every 4 days. A Saturday occurs every 7 days. Find the least common multiple of 4 and 7.
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EXAMPLE 1 Finding the Least Common Multiple A veterinarian at an animal clinic is on call every four days. Today is Saturday, and the veterinarian is on.
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EXAMPLE 1 Finding the Least Common Multiple
A veterinarian at an animal clinic is on call every four days. Today is Saturday, and the veterinarian is on call. In how many more days will the veterinarian be on call on a Saturday again?
Animal Clinic
SOLUTION
The veterinarian is on call every 4 days. A Saturday occurs every 7 days. Find the least common multiple of 4 and 7.
EXAMPLE 1 Finding the Least Common Multiple
Use a calendar. Start with a Saturday and circle every 4 days on a calendar. You can see that the veterinarian will be on call on a Saturday in 28 days.