Answer:
41 candles were made.
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First of all, we need to find the volume of the rectangular prism with the information we're given:
L: 7cm
W: 2cm
H: 10cm
Formula (prism volume):
V = whl → V = (2)(7)(10) → V = (14)(10) → V = 140
Now, we divide the total volume of candles (wax) produced by the amount of wax that 1 candle contains, that way, we will find the number of candles produced:
5740 / 140 = 41
Hope it helped,
BiologiaMagister