A photograph of a strand of human hair shows the hair magnified by factor of 200. If the photo shows the hair as 2cm wide, what is the actual width of the hair

Lisa has three classes that each last 50 minutes. what is the total number of minutes of the three classes

Parks is wearing several rubber bracelets one third of the bracelets are tie-dye 1/6 are blue and 1/3 of the remainder are camouflage if parks wears 2 camouflage bracelets how many bracelets does he have on

If you had $1,900,000, how many days would it take you to spend all if you spent $1 a second. (there are 86,400 seconds in a day)