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Mandarinka [93]
1 year ago
5

Out of 90 scientists who study dinosaurs, 30 study the T-Rex, 22 study the Brontosaurs and 10 study both. How many of this group

of scientists studies another speices of dinosaurs?
Mathematics
1 answer:
adell [148]1 year ago
4 0

Answer:

it 152 u have to add 3 time like this

90+10+30+ it gives you 152

Step-by-step explanation:

hope this works or help

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