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Helen [10]
3 years ago
11

The science department buys microscopes every 5 years, safety goggles every 4 years, and test tubes every 2 years. They bought a

ll three items this year. In how many years will they have to buy all three items again.
Mathematics
2 answers:
mars1129 [50]3 years ago
7 0
11 because I have to add all the years/number up
tigry1 [53]3 years ago
6 0
In 20 years they will buy all three items again
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