he is going 80 mph because he can go 480 mph and the wind is against him 400 mph and 480-400=80
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A and d is answer I just need points please
Answer:

Step-by-step explanation:
Equation:1
Equation:2
Solving Equation:1

Subtracting 'y' from both the sides:

Putting 'x' in Equation :2

Adding '4' both the sides

Putting the value of 'y' in equation:1


The solution is:

The distance from your house to your grandparents house is
3.67 miles or 19377.6 ft.
So the total number of strides needed would be:
strides needed = 19377.6 ft / (2.6 ft / stride)
<span>strides needed = 7,452.92 = 7,453 strides</span>