Darryl had $24 to spend on six notebooks . after buying them he had $12 .how much did each notebook cost ?

Write a corresponding real world problem to represent 2x - 125=400

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?

Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. after tax the total is 45.99. what percentage of the subtotal is the total?