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The parking charges of a car …

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The parking charges of a car in a private parking is ₹ 20 for the first hour and ₹ 10 for subsequent hours. Taking total parking charges to be y and total parking time as x hours, form a linear equation. Write it in standard form & hence find a, b and c. Also draw the graph.

Posted by Hanslekh M 5 years, 3 months ago

CBSE > Class 09 > Mathematics

1 answers

Yogita Ingle 5 years, 3 months ago

For no of hours equal to or more than 3, the equation is y = 10(x-3) + 20

or in simplified form , y = 10x - 10

The cost for five hours = Rs.40

-its given that the cost is 20 for the first 3 hours, so if x=1 or 2 , cost=20

- if the hours are 3 or more than 3, it costs Rs.10 for every extra hour

- This means if x is the no of hours, for each x-3 hours, it costs Rs.10

- Upon this, the cost of first 3 hours is also added

-Hence we get the equation, y= 10(x-3) +20

-To find the cost for 5 hours,

we put x=5 in our equation,

y=10(5-3)+20 = 40

2Thank You

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