Chapter 4: Q 172. (page 431)
In the following exercises, solve the system of equations.
Short Answer
The solution is .
Chapter 4: Q 172. (page 431)
In the following exercises, solve the system of equations.
The solution is .
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Peter is buying office supplies. He is able to buy packages of paper and staplers for or he
is able to buy packages of paper and staplers for . How much does a package of paper cost? How much does a stapler cost?
The sum of two numbers is
. Their difference is .
Find the numbers.
Translate to a system of equations and then solve:
A small jet can fly miles in hours with a tailwind but only miles in hours into a headwind. Find the speed of the jet in still air and the speed of the wind.
A small jet can fly miles in hours with a tailwind but only miles in hours into a headwind. Find the speed of the jet in still air and the speed of the wind.
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