Mathematics

Soren Bender

16 March, 14:30

Which function models this variation:

a varies directly with b and inversely with c, and when b=10 and c=20, a=14. Using your function, what is the value of a when b=18 and c=9?

A. a=b2c; a=1

B. a=b2c; a=2

C. a=2bc; a=1

D. a=2bc; a=2

+5

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