(D) $0.40 per minute
Step-by-step explanation:
The graph of Ken is a linear graph. To get the unit rate Ken paid to rent the go-kart you calculate the slope of the line;
slope, m=Δy/Δx
Points on the line are : (25,10) and (50,20)
Δy=20-10=10
Δx=50-25=25
m=10/25 = 2/5 =0.4
=$0.40 per minute
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Slope of a linear graph:https://brainly.com/question/12941755
Keywords : graph, unit rate
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