1.A book and a bookmark together sell for $10.10. If the price of the book is $10 more than the price of the bookmark ,find the price of the book and the price of the bookmark.

3 answers

bookmark- x book- x+10

equation: 10.10=x+(x+10))

solve for x. then plug in your answer to get the price of the book and the bookmark.
.10
X=10