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James decides to walk from school to the park to play ball. The park is only 0.5 mile from the school. He leaves school at 3:15 and arrives at the parK 3:25. At what rate is James traveling?
A) 1 mile/10 minutes
B) 1 mile/15 minutes
C) 1 mile/20 minutes
D) 1 mile/30 minutes

C

Step-by-step explanation:

From 3:15 to 3:25, time lapse is 10 mins

Rate = 0.5/10

= 5/100

= 1/20

One mile in 20 mins

C. 1 mile/ 20 mins

Step-by-step explanation:

James walks from school to the park.

The park is 0.5 mile from the school .

He leaves the school at 3:15 and arrives 3:25 at the park .

That’s 10 minutes taken.

James walks 0.5mile in 10 minutes

Rate = 0.5 / 10

= 5/100

=1/20

step-by-step explanation:

answer: 204

step-by-step explanation:

we are told that the revenue is

x⋅(4080−10x)=−10x^2+4080x

this is a quadratic function, so to maximize it we should find the x-value of its vertex. recall that the x-value of the vertex of the parabola ax^2+bx+c is given by the formula −b/2a.

so in this case, we have a=−10 and b=4080, so the x-value of the vertex is

−b/2a= −(4080)/2(−10)=204