solve each problem by setting up and solving an appropriate system of equations. A small-town library buys a total of 35 books that cost $644. Some of the books cost $16 each, and the remainder cost $20 each. How many books of each price did the library buy?
solve each problem by setting up and solving an appropriate system of equations. A small-town library buys a total of 35 books that cost $644. Some of the books cost $16 each, and the remainder cost $20 each. How many books of each price did the library buy?
Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter9: Systems Of Linear Equations
Section9.3: Solving Problems With Two Variables
Problem 22P
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solve each problem by setting up and solving an appropriate system of equations. A small-town library buys a total of 35 books that cost $644. Some of the books cost $16 each, and the remainder cost $20 each. How many books of each price did the library buy?
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