At a bookstore, 960 books were placed on the discount shelf for 70% off the regular price. if 2/3 of the books sold, how many books remain on the discount shelf?
a.
320 books
b.
296 books
c.
293 books
d.
332 books
e.
356 books
f.
none of the above.

The answer is a. 320 books

Step-by-step explanation:

Hi

first of all, we can see  "discount shelf for 70% off the regular price." is irrelevant info and a distraction, so we can use the info "If 2/3 of the books sold" then

Now we can find the number of books remaining on the discount shelf

hello :

by applying the distributive property :

6 × 4.3 = 6 × ( 4 + 0.3 )

            =   (6 ×   4) + (6 ×   0.3)

            = 24 + 1.8

6 × 4.3 = 25.8