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A battery operated toy train is available at a toy shop for $50.

A similar toy at a toy factory was priced at 80% of the price of the toy train at the toy shop.

(a) Determine the price of the toy at the factory.

(b) During a year end sale, the toy was available at both the toy shop and the factory at the same percentage discount.

Robin purchased a toy from the factory and paid $7 less than the discounted price in the toy shop.

What is the percentage discount on the toy?

Notes to students:

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