9514 1404 393
Answer:
Step-by-step explanation:
The coefficients of y are opposites. Adding opposites results in a sum of 0. The y-term will be eliminated by adding the equations.
The result of that addition is ...
(5x +6y) +(5x -6y) = (32) +(8)
10x = 40
Your answer is quite simple, really. All you have to do is divide $3.36 by 7 (The ounces of grapes he bought), and your answer should come out to be $.48, to check if this is correct, you then should add .48, 7 times, or multiply it by 7. Which, is what I did. And that should bring you to 3.36!
Answer:
9
Step-by-step explanation:
6×3=18 3×3=9 9+18
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T=k/s
So k/36 = 2
k = 72
Put into original equation
t= 72/3 (s is 3)
So t is 24
The hours worked would be 7 and 10 minutes.
