2 kg = 1.5
1 kg is half of 2 kg, therefore, half the price. Half of 1.5 dollors = 75 cents
If the train travels 744 miles in 3 hours then to determine the unit rate the train is traveling per hour you have to divide the miles by the hours, in this case (744 miles)/(3 hours). The final result concludes as 248 miles per hour.
Step-by-step explanation:
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