JERRY WAS 1TEXTBOOKS ARE TO BE ORDERED IN THE FOLLOWING3AS YOUNG AS HIS GRANDFATHER 15 YEARSAGO

22. Jerry was

1

Textbooks are to be ordered in the following

3

as young as his grandfather 15 years

ago. If the sum of their ages is 110, how old is

quantities:

Jerry’s grandfather?

History: 24 books at $20 each

a. 80

Math: 20 books at $30 each

b. 75

Science: 15 books at $25 each

c. 65

d. 60