A number exists that has 4 as a factor but that
does not have 2 as a factor,

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?

You are at a restaurant and owe $56.20 for your meal. you want to leave an 18% tip. approximately how much is your tip?

What happens to the area as the sliders are adjusted? what do you think the formula for the area of a triangle is divided by 2?