Mathematics for IGCSE & O level - Time (Section 3 - No. 27)
Nathee needs 35 minutes to prepare some food for cooking. He is ready to start cooking at 6.15 p.m. At what time did he start preparing the food?
5:40 p.m.
5:50 p.m.
6:00 p.m.
6:50 p.m.
Εξήγηση
Work backwards from 6:15 p.m. Subtract 35 minutes. 6:15 p.m. - 35 minutes = 5:40 p.m.