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פּוֹפּוּלָרִי Word Problems >

a number that when decreased by 30% is 12

פתרון

a n u mb er t ha t w h e n d ecre a se d b y 30% i s 12

פתרון

Amount before reduction : 17.14285 \dots

צעדי פתרון

Translate the problem into an equation:

12 = x - 0.3 x

12 = x - 0.3 x : x = \frac{120}{7}

\frac{120}{7} = 17.14285 \dots

Amount before reduction : 17.14285 \dots

דוגמאות פופולריות

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