Mrs. Fowler is selling STUCO t-shirts for $15 and sweatshirts for $22. She sold a total of 52 items and made $890. How much of each sweatshirt and t-shirt did she sell?
x+y=52
15x+22y=890
Solve the system of equations using substitution
(4, 3)
Solve the system of linear equations by elimination
9x+y=2
-4x-y=-17
(-3,29)
Determine whether the system has one solution, no solution, or infinitely many solutions
-x+y=1
x-y=1
No Solution
Solve the system of linear equations by graphing.
y=-2x+2
y=-x-1
(3,-4)
The sum of Mrs. Fowler's age and her sister Kelly's age is 57. Mrs. Fowler is 5 years older than Kelly. Write a system of equations to find the age of each sister. Use c to represent Mrs. Fowler's age and k to represent Kelly's age.
c+k=57
Solve the system of equations using substitution:
(1, 2)
Solve the system of linear equations by elimination
-x+y=4
x+3y=4
(-2,2)
Determine whether the system has one solution, no solution, or infinitely many solutions
2x-2y=4
-x+y=-2
Infinitely Many Solutions
Solve the system of linear equations.
-3x+5y=13
x+4y=-10
(-6,-1)
Karmyn scored a total of 45 points at her basketball game. She made some regular shots and some 3-point shots. If she made a total of 20 shots, how many of each type of shot did she make? Use x to represent a 2 point shot, and y to represent a 3 point shot.
x+y=20
2x+3y=45
Solve the system of linear equations by substitution.
6x-9=y
y=-3x
(1,-3)
Solve the system of linear equations by elimination
10x-9y=46
-2x+3y=10
(19,16)
Solve the system of linear equations.
y=-6x-8
y=-6x+8
No Solution
Solve the system of linear equations by substitution
y=2x-5
-x+y=2
(7,9)
5k+7s=610
s=k+10
Solve the system of linear equations by substitution.
-5x+3y=51
y=10x-8
(3,22)
Solve the system of linear equations by elimination
-2x-5y=9
3x+11y=4
(-17,5)
Solve the system of linear equations.
15x-5y=-20
-3x+y=4
Infinitely Many Solutions
Solve the system of linear equations by elimination
x+4y=6
-x-2y=-4
(2,1)
Henry is entering a video game tournament. He needs 500 points to win. He gets 20 points for winning at Fortnite, and 60 points for winning at Red Dead Redemption. If he wins 13 more games of Fortnite than he does Red Dead Redemption, how many of each game did he play?
20f+60r=500
f=r+13
Solve the system of linear equations by substitution.
2x-y=23
x-9=-1
(8,-7)
Solve the system of linear equations by elimination
12x-7y=-2
8x+11y=30
(1,2)
Solve the system of linear equations.
3x-2y=-5
4x+5y=47
(3,7)
Solve the system of linear equations by elimination
-3x+4y=18
6x+2y=-6
(-2,3)