Mathematics, 01.09.2019 21:30 jakalenn2018

In a survey of 400 students, 80% said they had math homework every night. of these, 40% had writing homework every night. how many students had both math and writing every night?
a. 50
b. 128
c. 160
d. 320

Answers: 1

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More questions: Mathematics Another questions

In a survey of 400 students, 80% said they had math homework every night. of these, 40% had writing homework every night. how many students had both math and writing every night? a. 50 b. 128 c. 160 d. 320

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Another question on Mathematics

In a survey of 400 students, 80% said they had math homework every night. of these, 40% had writing homework every night. how many students had both math and writing every night?
a. 50
b. 128
c. 160
d. 320