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Anna
[14]
2 years ago
13
the science department buys equipment shown microscopes every 5 years safety goggles every four years test tubes every two years
they bought all three items this year in how many years will they have to buy all three items again
Mathematics
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1
answer:
bogdanovich
[222]
2 years ago
4
0
This question requires you to know the lowest common multiple (LCM) of 5, 4 and 2. there are a few ways to do that. in this case the LCM would be 20. this means that in 20 year the science department would buy all 3 equipment at the same time
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