A janitor takes 6 hours to clean an office with 10 rooms and 9 hours to clean an office
with 16 rooms. Use linear interpolation to estimate the amount of time it will take to
clean an office with 12 rooms.
price-demand equation is 4x = 300 − 2p, where x is the number of kilograms of snig
produced and sold, and p is the price per kilogram of snig in the local currency, the
Bozat.