Tyler and kiran each started running at a constant speed at the same time. tyler ran 4,200 meters in 30 minutes and kiran ran 6,300 meters in 1/2 hour. eventually, kiran ran 1 kilometer more than tyler. how much time did it take for this to happen?

Fatima plans to spend at least $15 and at most $20 dollars on sketch pads and pencils. if she buys 2 sketchpads, how many pemcils can she buy while staying in her price range? fatima can buy between and pencils. ? (type whole numbers. use ascending? order.)