Answer:
Number = 110 .
Step-by-step explanation:
Given : when 30% of a number is added to the number, the result is 143.
To find : Find the number described.
Solution : We have given 30% of a number is added to the number,
Let the number = x
According to question :
30% of a number x = [tex]\frac{30*x}{100}[/tex] = [tex]\frac{3*x}{10}[/tex].
Added to the number
x + [tex]\frac{3*x}{10}[/tex] =143 .
On taking common denominator
[tex]\frac{10x+ 3*x}{10}[/tex] = 143 .
[tex]\frac{13*x}{10}[/tex] = 143 .
On multiplying both sides by 10 .
13 x = 143 *10.
13 x = 1430.
On dividing both sides by 13 .
x= 110.
Therefore, Number = 110 .
