Question

one third of a number is less than the original by 10 find them​

Answer 1

Answer:

15

Step-by-step explanation:

Let's assume the number as $x$.

$\frac{1}{3} of x=x-10\\\\\frac{1}{3} x=x-10\\\\\frac{x}{3} =\frac{3x-30}{3} \\\\x=3x-30\\\\x-3x=-30\\\\-2x=-30\\\\x=\frac{-30}{-2} \\x=15$Therefore,the original number is 15.

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Answer 2

Answer:

answer is 15

Step-by-step explanation:

let original no. be x

$x \3 = x - 10$

$x = 3x - 30$

$2x = 30$

$x = 15$