Can someone help me I dont know how to do this.

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?

The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels

The owner of the plant nursery where you were tells you to fill 350 ml bottles from a 30 l from a fertilizer