Question

Samantha glued stickers on a sheet with an area of 1260 square sentimeters in 1/6 of an hour what is the speed, in square centimeters per hour, at which Samantha glued stickers

Answer 1

All you have to do here is to find the unit rate for 
"an area of 1260 square sentimeters in 1/6 of an hour:"

1260 sq. cm.
------------------- =  (1260)(6) sq cm per hour   =  7560 sq cm per hour (answer)
    (1/6) hr