2 years ago

The length and breadth of a table cloth are 2.5 m and 1.5 m. Find the length of lace

Mathematics

1 answer:

Galina-37 [17]2 years ago

4 0

The total cost would be 200

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dmitriy555 [2]

so the pair went down from 200 to 140, so the difference is 200 - 140 = 60.

so if we take 200 as the 100%, what is 60 off of it in percentage?

$\bf \begin{array}{ccll} amount&\%\\ \cline{1-2} 200&100\\ 60&x \end{array}\implies \cfrac{200}{60}=\cfrac{100}{x}\implies \cfrac{10}{3}=\cfrac{100}{x}\implies 10x=300 \\\\\\ x = \cfrac{300}{10}\implies x = 30$

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3 years ago

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3 years ago

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