Question

Thereare260personswithaskindisorder.If150hadbeenexposedtothe

chemicalA,74tothechemicalB,and36tobothchemicalsAandB,findthe

numberofpersonsexposedto

i)ChemicalAbutnotChemicalB

ii)ChemicalBbutnotChemicalA

iii)ChemicalAorChemicalB ki​

Answer 1

Answer:

I think the right answer is option b

Answer 2

Answer:

give space and type I am not understanding any thing

Step-by-step explanation:

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