Chapter 4: Q. 34 (page 386)
Solve the systems of equations by substitution.
Short Answer
The solution of system of linear equation is
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Chapter 4: Q. 34 (page 386)
Solve the systems of equations by substitution.
The solution of system of linear equation is
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Solve the system by graphing:
Without graphing, determine the number of solutions and then classify the system of equations.
A river cruise boat sailed miles down the Mississippi River for four hours. It took five hours to return. Find the rate of the cruise boat in still water and the rate of the current.
A motor boat traveled miles down a river in two hours but going back upstream, it took hours due to the current. Find the rate of the motor boat in still water and the rate of the current. (Round to the nearest hundredth).
Shelly spent minutes jogging and minutes cycling and burned calories. The next day, Shelly swapped times, doing minutes of jogging and minutes of cycling and burned the same number of calories. How many calories were burned for each minute of jogging and how many for each minute of cycling?
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