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CBSE Class 9 Answered

The parking charges of a car in a parking lot are Rs. 30 for the first two hours and Rs. 10 for subsequent hours. Take total parking time to be x hours and total charges as Rs. y, write a linear equation in two variables to express the above statement. Draw a graph for the linear equation and find the charges for five hours using the graph.
Asked by Topperlearning User | 31 Aug, 2017, 03:50: PM
answered-by-expert Expert Answer

Parking charges for first 2 hrs = Rs 30

Parking charges for subsequent hrs = Rs 10

Total park time = x hours

Total charges = Rs y

y = 30 + 10(x- 2)

y = 30 + 10x - 20

10x - y = -10

x

1

2

3

y

20

30

40

 

From the graph, it is clear that for five hours, parking charges will be Rs 60.

Answered by | 31 Aug, 2017, 05:50: PM

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