A number increases by 20% and then decreases by 10%. If the original number was 405, what is the final value?

A437.4

B425.4

C556.4

D526.4

Answer

425.4

Apply percentage formulas such as percent of number, ratio to percent, or successive change.

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A number increases by 20% and then decreases by 10%. If the original number was 405, what is the final value?

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