Answer:60
We may write the solution symbolically as LCM(12, 20) = 60. This says "the least common multiple of 12 and 20 is 60.
Step-by-step explanation:
4
The common factors of 12 and 20 are 1, 2 and 4. The greatest common factor of 12 and 20 is 4. To find the Greatest Common Factor (GCF) of two or more whole numbers, follow this procedure: Make a list of factors for each whole number.
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19 cups of hot coco for four friends, (Henry plus the 3 friends) 19 divided by 4 is 4.75
45, 46, 47, 48, 49, 51, 52, 53, 54