When 40 % of a number is added to 42, the result is the number itself. The number is:
When 40 % of a number is added to 42, the result is the number itself. The number is:
Explanation
40x/100 +42 =x
4x/10 +42 =x
42 = 10x -4x/10
420=6x
x =70
40x/100 +42 =x
4x/10 +42 =x
42 = 10x -4x/10
420=6x
x =70