It's the last choice. In the top row you have the 1's that are the coefficients on the x and the y, and the solution for that equation is 21; in the second row you have the 5 from the x and the 4 from the y and the solution for that equation which is 20. I'm more used to writing them down instead of across, but there you have it anyways
Answer: 13:15
Step-by-step explanation:
This was my thought process reading this problem( I divided 9 by 207 which is 23 and multiplied each number by that)
Answer:
The answer is 8
Step-by-step explanation:
if R is equal to 10, the you subtract 10-8 which is two and multiply by four.