Answer:
x = -3
y = -8
Step-by-step explanation:
2y = x - 13
3x = y - 1; let y = 3x + 1
substitute to solve for 'x':
2(3x + 1) = x - 13
6x + 2 = x - 13
5x + 2 = -13
5x = -15
x = -3
solve for 'y':
3(-3) = y - 1
-9 = y - 1
-8 = y
25/100=30/x x=120 (30+70y)/(120+100y)=50/100 100y=?
Answer:
Discoveries and scientific and technical inventions do not influence the behavior of people, but their lives do
Step-by-step explanation: what app and ok
The answer is c so i would pick that beacuse its sounds like a correct answer.
If she has three litres of fruit juice left, she can use nine liters of lemonade. She can make twelve more liters of punch
For the second batch the ratio of fruit juice to lemonade would be 3:12 or 1:4