Step-by-step explanation: Finding the HCF of 175, 245 and 385.
175 = 5 × 5 × 7
245 = 5 × 7 × 7;
385 = 5 × 7 × 11
The HCF of 175, 245 and 385 is the product of the two common factors 5 and 7,
Therefore, 5 × 7 = 35
Since each box contains equal number of books, thus the greatest possible number of boxes will be = 35
The number of English books in each box will be = 175/35=5
The number of Science books in each box will be = 245/35=7
The number of Maths books in each box will be = 385/35=11
Hence, the total number of books in each box will be -
= 5 + 7 + 11
= 23