A bookstore marks up the cost of a book from $6 to $10. What was the percent increase? A) 66.7% B) 34% C) 16% D) 2%

Question

asked Sep 9, 2019 223k views

1 Answer

TaylorV · Answer 1 · 2019-09-16T09:07:33+0000

Cost of a book has been increased from $6 to $10.

So, increase in cost= 10-6=4.

Now percent increase=
(Increase in cost)/(original cost)

=
(4)/(6)

=
(4)/(6) *100%

=0.667*100%

= 66.7%