If each candle is 8 ounces of beeswax and 1 ounce of coconut oil, then each candle weighs 8+1=<<8+1=9>>9 ounces.
Three less than 10 candles is 10-3=<<10-3=7>>7 candles.
Thus, 7 candles, each weighing 9 ounces, will have a combined weight of 7*9=<<7*9=63>>63 ounces.
#### 63