X=5 y=15 (5,15).
This is how you do it:
-4(2x+3y=55): -8x-12y=-220
3(9x+4y=105):27x+12y=315
You add the two new equations together, canceling out the y values, and get the x value. Then, you go back and plug in the x value in the original equation to get the y value.
They are all even numbers
Answer: Dylan weighs 45 pounds while Alan weighs 93 pounds.
Answer:
x y
1 15
2 30
3 45
4 60
5 75
Step-by-step explanation:
Hope this works!
Answer:
1st question is 1:2
2nd question is 5
Step-by-step explanation:
15 times two is 30, so if you divide both 15 and 30 by 15, you get 1:2
Divide 300 and 60 and you get 5.
