1. Carla's mother decided to prepare foods for the front liners in their barangay. She used 1.568 kg of glutinous rice for rice cakes in the morning. In the afternoon, she used 1.254 kg for arrozcaldo. How many kilograms of glutinous rice did she use in preparing foods for the front liners? * choose.
a. 2.820 b.2.821 c.2.822 d.8.23​