Reasoning scenario 10: An international university applicant is asked to integrate unfamiliar evidence and quantitative information. The setting is a student-services review. Among 158 applications, 39 require check A, 50 require check B, and 10 require both. How many require A or B?

Reasoning scenario 10: An international university applicant is asked to integrate unfamiliar evidence and quantitative information. The setting is a student-services review. Among 158 applications, 39 require check A, 50 require check B, and 10 require both. How many require A or B?

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