Question

Mrs. Lee uses 0.025 kilogram of wax to make a candle.

Answer 1

I think it is 
Monday = 50 candles
Tuesday = 4*50 = 200 candles

Wax used for each candle = 0.025 kg
Total wax used on tuesday = 0.025 × 200 = 5 kg
i Hope i helped u =)

Answer 2

The answer would be 5kg hope it helped