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3 years ago

14

Given that r cannot equal 0 and r=5w=7a, find the value of r-w in terms of a

1 answer:

Monica [59]3 years ago

6 0

R=7a
5w=7a
w=7/5a
r-w=7a-7/5a
=35/7a-7/5a
=28/7a
=4a

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