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31 October, 11:41

The science department buys the equipment shown in the table. They bought all three items this year. In how many years will they have to buy all three items again? Microscopes-every 5 years, Safety goggles - every 4 years, Test tubes-every 2 years

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  1. 31 October, 12:01
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    In 20 years because its asking for the least common multiple
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