The weight of book is 1kg 350g. Find the weight of 25 boxes if each box contains 38 books.

The weight of 24 similar books is 15 kg. Find the weight of 16 similar books.

The weight of 72 books is 9kg. What is the weight of 40 such books?

The weight of 72 books is 9kg. What is the weight of 40 such books ?

The weight of 72 books is 9kg .What is the weight of 80 such books? How many such books weigh 6kg ?

The weight of 30 boxes Is 6 kg. What is the weight of 1080 such boxes ?

The weight of 65 books is 13 kg. a. What is the weight of 80 such books? b. How many such books weigh 6.4 kg?

The weight of a cylinder filled with gas is 30 kg. If the weight of the empty cylinder is 14 kg 80 g find the weight of the gas contained in it.

There are five boxes in a cargo hold. The weight of the first box is 200 kg and the weight of the second box is 20% more than the weight of the third box, whose weight is 25% more than the first box’s weight. The fourth box at t350 kg is 30% lighter than the fifth box. The difference in the average weight of the four heaviest boxes and the four lightest boxes is (a) 37.5 kg (b) 51.5 kg (c) 75 kg (d) 112.5 kg