What this question is asking, without all the wording, is what is 75% of 1400. You can easily find this by multiplying 1400 by 0.75. This will be your sales tax.
1400 ∗ 0.75
1050
Sales Tax: $1050
The sales tax on an item costing $1,400 with a 7.5% tax rate is $105, making the total cost $1,505.
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