What is u?

-0.3u + 0.03 - 0.2u = - 0.2 - u

A. u = - 0.34

B. u = - 0.46

C. u = None of these

D. u = 0.34

E. u = 0.46

A school has 520 students dance surveys a random sample of 50 students and finds that 32 have pet cats how many students are likely to have a pet cats

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