ru

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Популярное Word Problems >

a number that when decreased by 30% is 12

Решение

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

Решение

Amount before reduction : 17.14285 \dots

Шаги решения

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

Популярные примеры

7 less than the product of 2 and number when 19 is subtracted from a number, the result is 32 The диаметр of a circle is 30 ft. Find its area to the nearest whole number.Find two consecutive integers that \sqrt[3]{109} lies between.A person invests 5000 dollars in a bank. The bank pays 6.25% interest compounded quarterly. To the nearest tenth of a year, how long must the person leave the money in the bank until it reaches 6500 dollars?