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Originally posted by Bunuel on 25 Aug 2026, 05:29.
Last edited by Bunuel on 02 Sep 2026, 03:09, edited 2 times in total.
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Dropdown 1: 240
Dropdown 2: Increasing
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A delivery company gradually replaced some gasoline-powered vans with electric cargo vehicles. The graph shows, for each of six years, the average maintenance cost per 100 deliveries and the number of deliveries made using gasoline-powered vans.
Use the drop-down menus to complete the statements in a manner consistent with the given information.
The increase in the maintenance cost per 100 deliveries from year 2 to year 5 was percent of the maintenance cost per 100 deliveries in year 2.
From year 3 through year 6, the rate at which the number of gasoline-van deliveries decreased was .
A delivery company gradually replaced some gasoline-powered vans with electric cargo vehicles. The graph shows, for each of six years, the average maintenance cost per 100 deliveries and the number of deliveries made using gasoline-powered vans.
Use the drop-down menus to complete the statements in a manner consistent with the given information.
The increase in the maintenance cost per 100 deliveries from year 2 to year 5 was percent of the maintenance cost per 100 deliveries in year 2.
From year 3 through year 6, the rate at which the number of gasoline-van deliveries decreased was .
Official Solution:
Drop-down 1:
From the graph, the maintenance cost per 100 deliveries was $0.05 in year 2 and $0.17 in year 5.
Thus, the increase was:
$0.17 - $0.05 = $0.12
As a percentage of the year 2 cost, this increase was:
0.12/0.05 * 100 = 240%
Therefore, the correct selection is 240.
Drop-down 2:
Look at the graph for gasoline-van deliveries from year 3 through year 6.
Over this period, the line slopes downward more and more steeply with each successive year. This means that the number of gasoline-van deliveries is decreasing by a greater amount each year.
Therefore, the rate at which the number of gasoline-van deliveries decreased was Increasing.