# Math

posted by .

an algebra book weighs 6 oz less than twice as much as grammar book. if 5 algebra books weigh the same as 8 grammar books, how much does an algebra book weigh?

• Math -

a = 2g-6
5a = 8g

5a = 8(a+6)/2
5a = 4a+12
a = 12

## Similar Questions

1. ### algebra

An algebra book weighs 6 oz less than twice as much as a grammar book. If 5 algebra books weigh the same as 8 grammar books, how much does an algebra book weigh?
2. ### grammar

There is not a book. There are not books. There is no orange. There are no oranges. There is no any book. There are no any books. There is not any book. There are not any books. Could you check to see which of the eight sentences above …
3. ### algebra ll

The number of books checked out from the library varies directly with the number of book reports assigned. There were 3375 books checked out when there were 225 book reports assigned. How many book reports have been assigned if there …

On a balance scale 5 books on one side of the scale balance with 3 books and half a pound weight on the other side. All of the books weigh the same amount. How much does each book weigh.
5. ### Arithmetic

A box in a college bookstore contains books, and each book in the box is a history book, an English book or a science book. If one-third of these books are history books and one-sixth are English books, what fraction of the books are …

Check My Work (No more tries available) The Book Nook makes four times as much revenue on paperback books as on hardcover books. If last month's sales totaled \$124,300, how much was sold of each type book?
7. ### Math

The Book Nook makes four times as much revenue on paperback books as on hardcover books. If last month's sales totaled \$124,300, how much was sold of each type book?
8. ### Algebra

An algebra book weighs 6oz less than twice as much as a grammar book. If 5 algebra books weigh the same as 8 grammar books, how much does an algebra book weigh.
9. ### algebra

David weighs 20lbs.more than katy ,while Jonathon weighs 120lbs. less than three times katy's weight. If David and Jonathon weigh the same amont , how mush does katy weigh?
10. ### sir steve help me reiny reiny

2) A quality of identical plastic books weigh 10.98kg ,if each book weighs 54.9g .How many books are there

More Similar Questions