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daser333 [38]
3 years ago
9

In a survey of 400 students, 80% said they had math homework every night. Of these, 40% had writing homework every night. How ma

ny students had both math and writing every night?
A. 50
B. 128
C. 160
D. 320
Mathematics
1 answer:
natali 33 [55]3 years ago
7 0
It is D. 320 because if you add 80 and 40 togeter you get 120 then 320

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