#### Answer

Impossible.

#### Work Step by Step

All laque on tth could be cleaned by 100% alone, therefore anything more than 100% is physically impossible. Here, the statement is claiming it can reduce it up to 300%. 300%>100%, therefore it is impossible

Published by
Pearson

ISBN 10:
0321836960

ISBN 13:
978-0-32183-696-0

Impossible.

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