Salma B. answered 10/14/19
7th,8th,9th and 10th grade Experienced Teacher
To begin, we need to know how the metric system and the customary one are related.
1 cm is about 0.39 inches . so you can use proportion or simply multiply
15(0.39)= 5.85 inches long and 6(0.39) = 2.34 inches wide
so the book dimensions in inches are 5.85 x 2.34 inches