Answer:
R R
ww Rw Rw Rw Rw its only red flower.
Rr
ww Rw Rw rw rw the flowers are 50% red and 50% pink
1. ww
2. RR or Rr
3. if the parent for red is RR, then 100% ; if the parent is Rr, then 50%
4. if the parent for red is RR, then 0% ; if the parent is Rr, then 50%
5. rw