The Correct option is 36.60 Step-by-step explanation: The key to solving this question lies around measurement conversion,specifically converting grams into its equivalence in kilograms. 1000 grams equal one kilogram 9 grams=9/1000 kg 9 grams=0.009 kg 70 grams=70/1000 kg 1000 grams equal one kilogram 9 grams=9/1000 kg 9 grams=0.009 kg 70 grams=70/1000 kg 70 grams=0.07 kg Julie pays=$600*0.009=$5.4 Jacques pays=$600*0.07=$42 Jacques pays $36.60 more ($42- $5.4) than Julie paid Option is wrong because that was Jacques pays=$600*0.07=$42 Jacques pays $36.60 more ($42- $5.4) than Julie paid Option is wrong because that was what Julie paid Option D is wrong because that was what Jacques paid Option B is obviously wrong
