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Answer :

The total for the laptop would then be 900$

Answer:

sale price: $900

Explanation:

original price will be always of 100%

sale price: 100% - 25% = 75%

so solve:

100% ↔ $1200

1% ↔ $1200/100

1% ↔ $12

75% ↔ (12 * 75) = $900