If 2x + y = 16 and 42x-y = ¼, find y – x: 2y

      

If 2x + y = 16 and 42x-y = ¼, find y – x: 2y

  

Answers


Kavungya
x + y = 4
2x – y = -1
x = 1, y = 3
y – x : 2y = (3, -2) : (2) (3)
= 1 : 3
Kavungya answered the question on October 11, 2019 at 14:13


Next: Water and alcohol are mixed in the ratio 1:4. If the density of water and alcohol are 1g/cm3 and 0.8g/cm3 respectively. Find the density of...
Previous: A line Q has the equation 5y – 2x + 3 = 0 a)Find the gradient of the line Q b)Find the equation of the line...

View More Mathematics Questions and Answers | Return to Questions Index


Exams With Marking Schemes

Related Questions