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Популярное Word Problems >

When a number is decreased by 10% of itself the result is 72

Решение

Wh e n a n u mb er i s d ecre a se d b y 10% o f i t se l f t h e res u lt i s 72

Решение

Amount before reduction : 80

Шаги решения

Translate the problem into an equation:

72 = x - 0.1 x

72 = x - 0.1 x : x = 80

Amount before reduction : 80

Популярные примеры

14% of what number is 0.1 kiara has 5 apples she eats 2 how much does she have four times a number, decrease by six the разность of a number and 4/3 is 11/3 . What is the number amy is twice as old as lucy. three years from now the sum of their ages will be 42. How old is amy