The answer of this question is b
In this question, it is necessary to first check all the details that are already provided in the question. Then after they are noted down the final thing required is to find the answer to the question by correct calculations.
Distance for which the truck traveled = 280 kilometers
Time taken to travel the given distance = 4 hours.
Then
Speed of the truck = Distance traveled/Time taken
= 280/4 km/hr
= 70 km/hr
So the truck was traveling at a speed of 70 kilometers per hour. This is the answer to both the questions that have been put up. So there is no need for any kind of second calculation.
The answer is 2 22/49 you divide 240 by 98 which gives you 2 44/98 but you have to simplify it down to 2 22/49
The percent increase is 48.28
Step-by-step explanation:
Given,
Purchase price of used-droid = $2900
Selling price of used=droid = $4300
Profit = Selling price - purchase price
Profit = 4300-2900 = $1400
Percent increase = 

Rounding off to nearest hundredth;
Percent increase = 48.28%
The percent increase is 48.28
Keywords: percentage, subtraction
Learn more about percentages at:
#LearnwithBrainly
well the absolute means positive so it would be a positive 1.6