The U-Drive Rent-A-Truck company plans to spend $13 million on 320 new vehicles. Each commercial van will cost $25,000, each small truck $50,000, and each large truck $80,000. Past experience shows that they need twice as many vans as small trucks. How many of each type of vehicle can they buy? They can buy vans, small trucks, and |large trucks.
The U-Drive Rent-A-Truck company plans to spend $13 million on 320 new vehicles. Each commercial van will cost $25,000, each small truck $50,000, and each large truck $80,000. Past experience shows that they need twice as many vans as small trucks. How many of each type of vehicle can they buy? They can buy vans, small trucks, and |large trucks.
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
Chapter3: Solving Equation And Problems
Section3.4: Using Equations To Solve Problems
Problem 31P
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An equation is a statement in which two algebraic expressions are equal. If the equation is of the first order, (i.e. the highest power of the variable is 1) then it is called a linear equation.
A set of 2 (or more) linear equations in two (or more) variables, which are satisfied simultaneously by the same unique solution, is called simultaneous equations or a system of equations.
There are several methods to solve a system of linear equations in 2 (or more) variables. For example, elimination method, matrix method, substitution method, etc.
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