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Out of the 400 students in final year in a school, 300 are offering biology and 190 are offering chemistry. How many students are offering both biology and chemistry
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Out of the 400 students in final year in a school, 300 are offering biology and 190 are offering chemistry. How many students are offering both biology and chemistry

User Chapman Atwell
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1 Answer

3 votes

Answer:

90

Explanation:

Out of the 400 students in final year in a school, 300 are offering biology and 190 are-example-1
User Jeremy Cowles
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