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10-02-2018
Mathematics

contestada

Express using algebra:

A decreased by 10%

A increased by 50% and then decreased by 50% of that

A decreased by 20% and then increased by 20% of that

PLZ HELP! NEED THIS QUICK!

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tweetybird69903 tweetybird69903

10-02-2018

1) .90x
2) (.50x)(1.5)
3) (.80x)(1.20)

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