Solve linear systems of equations of two variables by substitution.
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Two trains leave different cities heading toward each other at different speeds. When and where do they meet?
Train A, traveling 70 miles per hour (mph), leaves Westford heading toward Eastford, 260 miles away. At the same time, Train B, traveling 60 mph, leaves Eastford heading toward Westford. When do the two trains meet? How far from each city do they meet?
Two Trains... by Jon Orr is made available on Mr. Orr is a Geek.com under the CC BY 4.0 license. Accessed Oct. 19, 2017, 4:08 p.m..
Modified by The Match Foundation, Inc.$${6x+3y=27}$$, find $$x$$ when $$y=x+4$$.
What is the value of $$y$$?
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The following resources include problems and activities aligned to the objective of the lesson that can be used to create your own problem set.
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A child has a handful of coins of only dimes and nickels. The total amount of money is $1.10, and there is a total of 14 coins.
Write and solve a system of equations (using substitution). Identify the number of nickels and dimes that the child is holding.