Question

Mrs. Lee uses 0.025 kilogram of wax to make a candle. On Monday, she made 50 candles. On Tuesday, she made 4 times as many candles as on Monday. How much was did she use to make the candles on Tuesday?

Answer 1

Monday=50candles
Tuesday=50*4=200 candles.
1 candle= 0.025kg
200candles=200*0.025
                  =5kg

so mrs.lee uses 5kg of wax on Tuesday.

Answer 2

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