If a 25 cm long candle burns for 45 minutes how long will another candle of the same material and same thickness 15 CM longer than the previous ?

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Solution

first candle’s length=25cm,then length of second candle will be =25+5=30cm.

It can be answered by Ratio and Proportion.Like this:-

we have to take one of things in fractions and the things which are related to them in direct proportion (on the other side of ‘=’) in fraction.Let another time which is not given be x

=25/30=45/x

=x=(45/25)30

=x=54 .That is our Answer!!!

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