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densk [106]
2 years ago
8

Paula and Karen are playing a game. Paula counts by 4s. Karen counts by 5s. They try to pace the counting so they will say the f

irst common number together. What is the first number they both say together?
Mathematics
1 answer:
Slav-nsk [51]2 years ago
6 0

Answer:

20

Step-by-step explanation:

We are to determine the lowest common multiple of 4 and 5

the first six multiple of 4 are = 4, 8, 12, 16, 20, 24

the first six multiple of 5 are = 5, 10, 15, 20, 25

the multiple they both have in common is 20

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