The ISBN of Double Solitaire is 978-0553294934.
25% of 978= 25% * 978= 0.25 * 978= 244.5
The ISBN of Christie Malry's Own Double-Entry is 978-0-8112-0954-0.
It is: 978+8 = 986
978 because: 978 multiplied by 978 equals 956484.
It is: 978 = CMLXXVIII
It is: 978 = CMLXXVIII
The factors of 978 are: 1, 2, 3, 6, 163, 326, 489, 978.
1000
978 x 3 = 2934
51.4737
Exactly as in the question 978