Answer:2.5 part
Explanation:
Given
Candle maker requires 1 quart of wax to make 6 candles
If candle maker makes 30 candles then 5 quart of wax is needed
The quart is made up of 2 part of red+ 5 parts of yellow + 3 Parts of white
i.e. total of 10 parts is required to make orange shade
Yellow is 5 part out of 10 part so
yellow will be 2.5 part in 5 quart