Is this solvable?

by Mak
(Singapore )

Andy bought a watch for $540. He gave 1/5 of the remainder to his brother bought a earphone for $180 and finally have 1/14 of money left. How much money did Andy has at beginning?

Here's My Answer
by Zach
(Singapore)

Step 1: This question involves the Remainder Concept. We first draw 1 long bar to represent the total amount of money that Andy had at the beginning.

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