Hi

Let x represent the number of books  the number of pamplets

.5x + .15(x+15) = $90

      .65x = 90-2.25 = 87.75

         x = 135, number of books.  150 pamplets 

CHECKING our answer***

 = $90

Wish You the Best in your Studies.

 

RELATED QUESTIONS

Books cost 40 cents and pamphlets 5 cents at the book sale. If Mr. Jones spent $4.15 at... (answered by jorel1380)

Books cost .40 and pamphlets .05 at the book sale. Mr. Jones spent $4.15 at the book sale  (answered by General_Lee87)

PLEASE HELP WITH THE ANSWER TO THIS QUESTION:
Books cost 40 cents and pamphlets 5 cents... (answered by Theo)

PLEASE help me with the answer to this word problem!

Books cost 40 cents and pamphlets  (answered by scott8148,checkley77,solver91311)

Can you please solve this word problem for me?

Books cost 40 cents and pamphlets 5... (answered by scott8148)

Alana and Petra go to a used book sale, where every book is the same price. Alana buys 4... (answered by greenestamps,josgarithmetic)

During a sale at a bookstore, Joseph buys a book at full price. He is given a 50 percent... (answered by jorel555)

Amanda went to the book sale.  She bought two books and paid with a $10.00 bill.  One... (answered by richwmiller)

There are three different books, Book A, Book B and Book C on sale. Book A costs $y. Book  (answered by josmiceli)