Rose, Jessica and Vanessa pooled together some money to start a clothing boutique.

The ratio of Rose's share to the combined share of Jessica and Vanessa is 5:6.

The ratio of Vanessa's share to the combined share of Rose and Jessica is 3:4.

(a) Find the ratio of  Rose's to Jessica's share to Vanessa's share.

(b) If Vanessa had put in $630 more than Jessica, find the total pool of money.

Notes to students:

1.    If the question above has parts, (e.g. (a) and (b)), given that the answer for part (a) is 10 and the answer for part (b) is 12, give your answer as:10,12
2. If your answer is a ratio, leave it as a:b