Question

The prince of 20 articles is Rs 220 . find the prince of 18 articles.
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Answer 1

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Rs.198

$\mathtt{\orange{\huge{SOLUTION:}}}$

Cost of 20 articles = Rs.220

Cost of 1 article = Rs.220 ÷ 20 = 11

So, cost of 1 article is Rs.11

____________________

Cost of 1 article = Rs.11

Cost of 18 articles = Rs.11 × 18 = 198

So, cost of 18 articles is Rs.198

Answer 2

The price of 20 article is =RS 220

The price of 1 article is =Rs220/20

The price of 18 article is =Rs220/20×18=RS 198

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