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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. What was the strategy to yes to solve the problem. microscopes every 5 years , safety goggles every 4 years , test tubes every 2 years.

Respuesta :

TheFortniteBus666

Answer:

20 years

Step-by-step explanation:

20 is the lowest common multiple of 5,4,2

lillylira13

Answer: the answer is in 20 years


Step-by-step explanation:

5): 5, 10, 15, [20]

4): 4, 8, 12, 16, [20]

2): 2, 4, 6, 8, 10, 12, 14, 16, 18, [20]

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