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OlgaM077 [116]
3 years ago
10

In Science Class, Sara needed 8 test tubes for 3 different experiments. The first experiment required 2 test tubes and the other

two experiments required the same number of test tubes. How many test tubes were need for each of the other two experiments l?
Mathematics
1 answer:
worty [1.4K]3 years ago
4 0

Answer:

Each\ of\ other\ two\ experiments\ required\ 3\ test\ tubes.

Step-by-step explanation:

Let\ each\ of\ other\ experiment\ requires\ x\ test\ tube\\\\Total\ number\ of\ test\ tubes\ needed=8\\\\Test\ tubes\ used\ in\ the\ experiments=sum\ of\ number\ of\ test\ tubes\ in\ each\ experiment\\\\Test\ tubes\ used\ in\ the\ experiments=2+x+x\\\\2+x+x=8\\\\2+2x=8\\\\Subtract\ 2\ from\ both\ sides\\\\2+2x-2=8-2\\\\2x=6\\\\divide\ both\ sides\ by\ 2.\\\\x=3

Each\ of\ other\ two\ experiments\ required\ 3\ test\ tubes.

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