Tracy takes 5 times as long as John to paint a room. if John helps Tracy they can paint the room in four hours. How long does it take each to paint the room individually

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.

Acourt reporter is transcribing an accident report from germany. the report states that the driver was traveling 80 kilometers per hour. how many miles per hour was the driver traveling?

How are sas and sss used to show that two triangles are congruent?