Choose Method
y = x + 16
10x + 8y = -88
(-12, 4)
y = x + 4
y = 2x + 5
(-1, 3)
r + s = -6
r - s = -10
x = 4y
2x + 3y = 22
Mel has eaten 18 goldfish and is eating 2 more per minutes. Liz has eaten 12 goldfish and is eating 4 more a minute. At what time will they have eaten the same amount of goldfish?
3 minutes
2x + 7y = 50
2x - 3y = -10
(4, 6)
y = 3x - 2
y = -x - 2
8a + 5b = 9
2a - 5b = -4
y = x - 2
3x - y = 16
Tyrell has solved 10 math problems and is solving 6 more per minute. Sarah has solved 8 math problems and is solving 7 more per minute. How many minutes until they have solved the same number of math problems? How many math problems have they both solved?
2 minutes, 22 math problems
y = -3x - 6
-5x - 8y = -28
(-4, 6)
y = -3
x = 5
2x + 3y = 6
3x + 5y = 15
y = 3x - 1
7x + 2y = 37
Luke has made 11 baskets in his basketball game and is making 5 more per minute. Joseph has made 5 baskets and is making 5 more per minute. How many minutes until they make the same about of baskets?
No Solution
4x = 8y -52
5x - y = 34
(9, 11)
y = (1/3)x - 3
2x - y = 8
2a - 4b = 12
-8a + 16b = -48
3s - 2t = 4
t = 2s - 1
Crew has 21 jolly ranchers and is eating 3 per minute. Zainub has 21 jolly ranchers and is eating 2 per minute. Solve the system to find out when they will have the same amount of jolly ranchers.
(0, 21)
-3x + 5y =15
6x - 10y = -20
No Solution
y - 3x = 3
y = 3x - 2
(1/3)x + (1/4)y = 10
(1/3)x - (1/2)y = 4
t + u = 12
t = (1/3)u
The sum of two numbers is 104. Their difference is 68. What are the numbers?
86 and 18