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Algebra Concepts
Required Practice
Sec: 4.4A
Name:
Period:
Date:
What Kind of Monkey Can Fly?
Solve each problem below using a system of two equations in two variables. Find the solution in the
answer column and notice the letter next to it. Write this letter in each box that contains the
number of that exercise. (The first one is started for you.)
(Adapted from ALGEBRA WITH PIZZAZZ! ©Creative Publications)
Answers:
Assign variables
Let x = the smaller number
Let y = the larger number
Write Equations
3y = 4x
x + y = 21
Solve
Solve second equation for x: x = 21 – y
Sub into first:
3y = 4(21 – y)
Now you finish…
Assign variables
Let x =________________
Let y =________________
Write Equations
Solve
Assign variables
Let x =________________
Let y =________________
Write Equations
Solve
Assign variables
Let x =________________
Let y =________________
Write Equations
Solve
Assign variables
Let x =________________
Let y =________________
Write Equations
Solve
Assign variables
Let x =________________
Let y =________________
Write Equations
Solve
Assign variables
Let x =________________
Let y =________________
Write Equations
Solve
Assign variables
Let x =________________
Let y =________________
Write Equations
Solve