SAT Math Multiple Choice Practice Question 573: Answer and Explanation

Next steps

Question: 573

9. A bookcase with 6 shelves has 20 books on the top shelf and 30 books on each of the remaining shelves. How many books are there on all 6 shelves of the bookcase?

A. 120
B. 130
C. 150
D. 160
E. 170

Correct Answer: E

Explanation:

E Of the 6 shelves of the bookcase, one shelf has 20 books and the rest have 30 books each. 20 + 5(30) = 20 + 150 = 170, answer E.

Previous       Next