 varvara273 
                                                19.05.2020 16:34
                                                
                                                varvara273 
                                                19.05.2020 16:34
                                             Всенорм1111 
                                                19.05.2020 16:34
                                                
                                                Всенорм1111 
                                                19.05.2020 16:34
                                             Adhsvvkdjs 
                                                19.05.2020 16:34
                                                
                                                Adhsvvkdjs 
                                                19.05.2020 16:34
                                             Учитель1236 
                                                19.05.2020 16:34
                                                
                                                Учитель1236 
                                                19.05.2020 16:34
                                             10089675834075 
                                                19.05.2020 16:34
                                                
                                                10089675834075 
                                                19.05.2020 16:34
                                             rayanova81 
                                                19.05.2020 16:34
                                                
                                                rayanova81 
                                                19.05.2020 16:34
                                             SharovaYarosla 
                                                19.05.2020 16:35
                                                
                                                SharovaYarosla 
                                                19.05.2020 16:35
                                             CrySony1 
                                                19.05.2020 16:35
                                                
                                                CrySony1 
                                                19.05.2020 16:35
                                             ewvyevs 
                                                19.05.2020 16:35
                                                
                                                ewvyevs 
                                                19.05.2020 16:35
                                            
8×9=72 It is not enough
8×10=80
Answer: Teacher needs 10 packages of markers.