If 3x+y\y = 6/5 what is the value of x/y

We are given with the equation (3x+y)/ y = 6/5 where we are asked to determine the ratio of x/y. First step is to multiply the equation by y to get an equation 3x + y = 6y /5. We transpose y to the right side to get 3 x = y / 5. Hence, x/ y should be equal to 1/15. 

The base of the pyramid is the triangle on the very bottom. The formula for the area of a triangle is A = 1/2 x base x height.

In this triangle, the base length is 6 cm and the height is 7 cm, as shown clearly in the image. Using the formula for the area, we can easily solve for the area of this triangle.

A = 1/2 x 6 x 7

A = 1/2 x 42

A = 21 cm^2

Hope this helps! :)