I need help with this pls help

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?

Combine like terms to make a simpler expression 3z+z

Two years ago a man was six times as old as his daughter. in 18 years he will be twice as old as his daughter. determine their present ages.