Pet store A sells a Labrador puppy at $120.

The price of a similar Labrador puppy in pet store B was 250% more than that in pet store A.

(a) What was the selling price of a Labrador puppy in pet store B?

(b) John bought a Labrador puppy from each store during a sale. The Labrador puppy from pet store B cost $108 more than the one in pet store A .

If both pet stores offered the same percentage discount on all pets sold in the stores, what was the percentage discount given on each Labrador puppy?

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