Convert: 3 km = ____ m
Convert: 9 kg = ___ g
Convert: 2 L 20 mL = ___ mL
Find the sum: 493 km 43 m + 17 km 57 m
Find the difference: 25 kg 32 g - 23 kg 83 g
Find the sum: 100 L 99 mL + 2,999 mL
Find the difference: 5 kg - 730 g
Billy is training for a half marathon. Each day Billy runs on the treadmill for 5 kilometers and runs outside for 6,000 m. In all, how many meters does Billy run each day?
Since Billy has started training, he has also been drinking more water. On Saturday he drank 2 liters 755 milliliters of water. On Sunday, he drank some more water. If Billy drank a total of 4 liters 255 milliliters of water on Saturday and Sunday, how many milliliters of water did Billy drink on Sunday?
Since exercising so much for his half-marathon, Billy has been losing weight. In his first week of training he lost 2 kilograms 530 grams. The second and third week he lost 1 kilogram 855 grams. Billy now weighs 61 kilograms 760 grams. What was Billy's weight, in grams, before he started training?