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xxMikexx [17]
3 years ago
9

After 12% the cost of a new cooler is £190.40 work out the original price

Mathematics
2 answers:
inessss [21]3 years ago
5 0
So, say the original price is "x" pounds, namely the 100%, then it gets increased by 12% and lands on £190.40, so <span>£190.40 is really 100% + 12% or the 112% then.

since we know that </span><span>£190.40 is 112%, what is "x"?

</span>\bf \begin{array}{ccll}&#10;amount&\%\\&#10;\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\&#10;190.40&112\\&#10;x&100&#10;\end{array}\implies \cfrac{190.40}{x}=\cfrac{112}{100}\implies \cfrac{190.40\cdot 100}{112}=x<span>
</span>
Dvinal [7]3 years ago
3 0
12% of the cost is $265.95 US dollars. the Original price is $ 2,216.25 US dollars
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