Help me with this math problem

Writing the simplest form of a fraction means the numerator and the denominator have no common factors other than 1.a. trueb. false

Why do interests rates on loans to be lower in a weak economy than in a strong one

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?