Mr Toimata's Books

This task is about finding percentages of whole numbers.  

Question

illustration: lots of book
 
Mr Toimata has 150 books on his bookshelves.   
 
a) 120 of his books have hard covers. What percentage of all his books have hard covers?

    • 12 %

    • 20 %

    • 60 %

    • 80 % 

    • 120 %

Question

b)  70% of his 150 books are non-fiction. How many non-fiction books does he have?

    • 70

    • 75

    • 80

    • 105

    • 120

Question

c)  Mr Toimata knows that 4% of his 150 books are about Māori history. 
     How many books about Māori history does he have?

    • 4

    • 6

    • 8

    • 40 

    • 60