Hello Kitty has created a new system of conversion for the residents of Kitty Nation. The standard for measurement of length in Kitty Nation is that 6 lenthii = 39 inches and 7 gianthii = 345.6 lenthii. If a design to be sent to Kitty Nation is 246.6 feet long, how many gianthii long will it be? (Include units)

1 answer

you have a list of conversion factors.
Just use them to cancel the unwanted units:

246.6ft * 12in/1ft * 6lenthi/39in * 7ganthi/345.6lenthii
= (246.6*12*6*7)/(1*39*345.6) ganthii