the weight of 72 books is 9kg.
a-find the weight of 80such books.
b-how many books will weight 6kg ?
Weight of 72 books = 9 kg = 9000 gm
Weight of 1 book = 9000/72 = 125 gm
Weight of 80 books = 80 × 125 gm = 10000 gm = 10 Kg.
Hence, the answer.
the weight of 72 books is 9kg.
a-find the weight of 80such books.
b-how many books will weight 6kg ?
Weight of 72 books = 9 kg = 9000 gm
Weight of 1 book = 9000/72 = 125 gm
Weight of 80 books = 80 × 125 gm = 10000 gm = 10 Kg.
Hence, the answer.