When 40% of a number is added to the number and the result is 126 , what is the number ?

If 20% of a number is 35, what is 50% of that number?

Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?

Find the root(s) of f (x) = (x- 6)2(x + 2)2.