#### Answer

B \$500
P \$90
R unknown

#### Work Step by Step

The base is the total amount of the loan, \$500. The part is the interest, \$90. The rate is the unknown.

Published by
Brooks Cole

ISBN 10:
1285199197

ISBN 13:
978-1-28519-919-1

B \$500
P \$90
R unknown

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