Victor need to mix 2 cups of apple juice concentrate with 3.5 cups of water to make apple juice .victor has 6cups of concentrate .how much apple juice can he make

What is the sum of these mixed numbers 2 1/8 + 4 3/8

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?

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?