Solve the system of linear equations by graphing.

2x + 3y = 16.9

5x = y + 7.4

what is the solution to the system of linear equations? round to the nearest tenth as needed.

Put both of those equations into slope intercept form (in order to be typed into the graphing calculator).

2x + 3y = 16.9
3y = -2x + 16.9
y = (-2/3)x + 16.9/3

5x = y + 7.4
5x - 7.4 = y

So in the graphing calculator,
Y1 = (-2/3)x + 16.9/3
Y2 = 5x - 7.4

Then find the point of intersection and the x value of that would be the solution.
You get the coordinate (2.3, 4.1). So x = 2.3, y = 4.1

Num of plants = (original#ofplants)*(1.6)^t