A grocery store buys 300 lb of rice. After a week, the store has sold 210 lb of the rice. The manager uses this bar to show how rice has been sold. Select true or False each statement.
 7/100 of the rice has sold true or false
 70% of the rice has sold true or false
 3/10 of the rice remains to be sold. true or false
 90% of the rice remains to be sold true or false