Jack wanted to measure the weight of his luggage at the airport before departure. He was surprised to see that it weighed 23.6 kg. Then he stood on the weight with and without his luggage and understood that the scale is malfunctioning as the last two weights of 91.2 kg and 65.5 kg were obviously off. What was the true weight of his luggage?

The blue whale is the largest animal living on the earth. the average blue whale measures 100 feet long (30 meters) and weighs 300,000 pounds (136,000 kilograms). a whale’s head is 1⁄3 of the length of its body. a new baby whale is 1⁄4 the length of a grown whale. the average man is 1⁄17 the length of a blue whale, and 1⁄1,818 its weight. a human baby measures 1⁄4 of the length of an adult. calculate the following information: how long is a whale’s head? how long is a new baby whale? how tall is the average man? how much does the average man weigh? how tall is the average human baby?

Water flows at a steady rate from a tap. its takes 40 seconds to fill a 4 litre watering can from the tap. the rate at which water flows from the tap is halved. complete: 4 litres into cm3

Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar.