How many dollars is 52 thousand pennies?

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?

Complete the solution of the equation. find the value of y when x equals to 1 9x-5y=29

Out of 50 students surveyed, 16 have a dog. based on these results, predict how many of the 280 students in the school have a dog.