The total cost of the headphones will be £30 with a VAT of 20%.
In mathematics, a percentage is a number or ratio expressed as a fraction of 100. It is often denoted using the per cent sign, "%",
It is given in the question that:
The cost of headphones= £25
The VAT on the headphone=20%
So the total cost will be calculated as:
[tex]\rm TC=25\times 20\%=25\times 0.2=5[/tex]
[tex]\rm TC=25+5=30[/tex]
Hence the total cost of the headphones will be £30 with a VAT of 20%.
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