Ann has some dimes and quarters. If she has 27 coins worth a total of $3.45, how many of each type of coin does she have?​

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?

Draw a tape diagram to represent each situation.for some of the situations,you need to decide what to represent with a variable andre bakes 9 pans of brownies.he donates 7 pans to the school bake sale and keeps the rest to divide equally among his class of 30 students

Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2