The answer is .5 meaning half (1/2) of the petals fell off.
2x+2 < x+3
2x-x < 3-2
x <1
So you make your equation 4x+20+40=180.
Add like terms and get 4x+60=180.
Subtract 60 from both sides, get 4x=120.
Divide boths sides by 4, get your answer of x=30.
Hope this helps