Answer:
391
Step-by-step explanation:
First you must make the fraction a decimal so you can use it in an equation.
To do so move the . over to the left twice.
.68
Now multiply 575 by .68
575 x .68=391
Proportional numbers are numbers with the same equivalent ratio
98/126 is proportional to 84/108
The number is given as:

Reduce fraction to the lowest term

Reduce 86/110 to the lowest term

Divide by 2/2

43/55 is not equivalent to 7/9
Reduce 98/126 to the lowest term

Divide by 14/14

7/9 is equivalent to 7/9.
Hence, 98/126 is proportional to 84/108
Read more about proportional numbers at:
brainly.com/question/1781657
It depends if its decreasing 25% of the original quantity or decreasing by 25% of the quanity that is after already increasing by 25%.