It’s 28, 16 add 4 is 20 add 8 is 28
He used 7 trays to hold all the marbles with equal number each tray. That means, there will be 16 marbles for each tray. Therefore, the number of marbles he will display on 3 trays would be a total of 48 marbles. Hope this answers the question. Have a nice day.
Not an answer but Photo math is a good app to use to calculate to :)
2.5 miles is the elevation in feet of the road 5 miles from the starting point.
