Aperson on a moving sidewalk travel 21 feet in 7 seconds. the moving sidewalk has a length of 180 ft. how long will it take to move from one end of the sidewalk to the other

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 park swears to camouflage bracelets how many bracelets does he have on

The perimeter of a rectangle is 42 inches. if the width of the rectangle is 6 inches, what is the length

Ingredient c: 1/4 cup for 2/3 serving or ingredient d: 1/3 cup for 3/4 serving which unit rate is smaller