Satz bought 10 new Chromebooks and 5 calculators for a total of $1200. If Chromebooks cost $60 more than calculators, how much did they each cost?
$100 Chromebooks & $40 calculators
25
Eve is selling pastries in her new shop. She sells 5 dairy pastries, and 12 vegan pastries for a total of $39. If a dairy pastry is one dollar more than a vegan pastry, how much do they each cost?
$3 dairy, $2 vegan
25
At his joke shop, George Weasley sells 25 fake wands and 21 extendable ears. From that alone, he makes 523 galleons. If a fake wand costs 10 galleons, how much does one extendable ear cost?
13 galleons
15
Ms. Begen & Mr. Saler each bought a bouquet of roses and tulips. Ms. B spent $94 on 4 roses and 6 tulips. Mr. S spent $194 on 14 roses and 6 tulips. What is the cost of each?
$10 roses, $9 tulips
20
Hogwarts is selling tickets to the quidditch finals. On the first day, the school sold 2 teacher tickets and 8 student tickets for a total of 90 Galleons. Then the school took in 115 by selling 7 teacher tickets and 8 student tickets. Cost?
5 Galleons for teacher tickets, and 10 Galleons for student's tickets.
20
Solve using substitution. y=3x+13 and y=-2x-2
x=-3 and y=4
15
Solve using substitution y=4x+4 and y=-7x+15
(1, 8)
15
Solve using any method. Lilia & Edina each improved their yards by planting grass sod and shrubs. Lilia spent $143 on 11 ft² of grass sod and 11 shrubs. Edina spent $119 on 7 ft² of grass sod and 11 shrubs. What is the cost of each?
grass $6 and shrub $7
25
Solve using elimination
3x+4y=10
-3x+5y=-1
y=1 and x=2
15
Solve using elimination
2x+3y=-4
4x-25y=-8
x=-2 and y=0
15
Solve by graphing y+3x=5; y=2x-10
(3,-4)
10
Solve by graphing y=2x+4; y=2x-5
No solution
5
Solve using any method y=2x+43; y-6x=12
Infinitely many solutions
10
Solve using any method: 2x - 4y = -10; 2x + 5y =-19
