Its better to buy 3, 1 yd's of ribbon for .49 each because $.49 x 3 = $1.47
There will be 24 plants in each garden. 5/40=8 and 5/80=16 then you just add the number of red flowers (8) and the number of white flowers (16).
X-intercept: (3.6,0)
y-intercept: (0,1.2)