John read 1/4 of pages of book on Saturday and another 2/3 of pages on Sunday. She read the last 5 pages on Monday . What was the total pages of book?

Answer 1

number of pages ---- n

n/4 + 2n/3 + 5 = n
times 12
3n + 8n + 60 = 12n
n = 60

check
1/4 of 60 = 15
2/3 of 60 = 40
15 + 60 + 5 = 60 , check!

Answer 2

60