Answer: Terri brought 10 more centimeters of rope than Gracie.
Step-by-step explanation:
Write the equations:
8x-10y=20
-7x+10y=20
Add them using elimination
x=40
Now solve for y
8(40)-10y=20
10y=300
y=30
So there you have it: x=40, y=30.
The first two teams have a 3 to 2 ratio
Answer:
The solution would be C. (2, -4)
Step-by-step explanation: Equation: 2y = -3x - 2
1. (2, -3)
2(-3) = -3(2) - 2
-6 = -6 - 2
-6 = -8 (Not a solution)
2. (-3, 2)
2(2) = -3(-3) - 2
4 = 9 - 2
4 = 7 (Not a solution)
3. (2, -4)
2(-4) = -3(2) - 2
-8 = -6 - 2
-8 = -8 (Solution)
4. (-4, 2)
2(2) = -4(-4) - 2
4 = 12 - 2
4 = 10 (Not a solution)
Answer:
$21.6/hr
Step-by-step explanation:
Time paid
For 8 hours paid as 1.5, time is 8*1.5=12 hours
Similarly, for double hours, then it is 2*2=4
Given 35 normal hours, the total time will be the sum of 35, 12 and 4 hence 35+12+4=51 hours
Considering the pay of $1101.60 this is equivalent to hourly pay of 1101.60/51=21.6
Therefore, the hourly pay is $21.6 per hour
