Someone . does anyone know how to do this? ?

This is fractions casey shared a pizza with some friends.they each ate 1 third of the pizza. how many people shared the pizza

Type the correct answer in each box. use numerals instead of words. if necessary, use / for the fraction bar. consider the given table.

Awater holding tank measures 105 m long, 50 m wide, and 8 m deep. traces of mercury have been found in the tank, with a concen- tration of 60 mg/l. what is the total mass of mercury in the tank? answer in units of kg.