What is the highest factor for 999 and 333

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?

Rationalize the denominator- 12x/√x-10

When steve woke up. his temperature was 102 degrees f. two hours later it was 3 degrees lower. what was his temperature then?