Question

A man is driving a car with speed 60 km per hour write equation in two variable from the graph find distance travelled in two and half hour time taken to cover 120 km​

Answer 1

Answer:

distance= d

speed=s

time=t

speed = distance / time

d= s×t

d=60×t

t=60t - 1 equation

X = 1 2

y = 60 120.

Answer 2

Distance traveled by the car in 2.5 hours = 150 km

Time taken to cover 120 km = 2 hours

Step-by-step explanation:

A man is driving a car with a constant speed = 60 km per hour

If he covers y distance in x hours then the expression that defines the speed will be

Speed = $\frac{\text{Distance covered}}{\text{Time taken to cover the distance}}$

60 = $\frac{y}{x}$

y = 60x

Now we can make a graph with two variables,

y (in Km)     60      120      180    240     300

x (In hours)   1         2          3         4        5

Now we can calculate the distance covered in 2.5 hours.

y = 60×2.5 = 150 km

Time taken to cover 120 km = $\frac{\text{Distance traveled }}{\text{Speed}}$

= $\frac{120}{60}$

= 2 hours

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