Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 10th
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You are downloading a song. The percent y (in decimal form) of megabytes remaining to get downloaded in x seconds is given by y = – 0.1x + 1 after how many seconds the song will be downloaded comple - Mathematics

Sum

You are downloading a song. The percent y (in decimal form) of megabytes remaining to get downloaded in x seconds is given by y = – 0.1x + 1 after how many seconds the song will be downloaded completely?

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Solution

When a song is downloaded completely the remaining percent is zero.

i.e y = 0

0 = – 0.1x + 1 

0.1x = 1 second

x = `1/0.1 = 1/1 × 10`

x = 10 seconds

Concept: Straight Line
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APPEARS IN

Samacheer Kalvi Mathematics Class 10 SSLC Tamil Nadu State Board
Chapter 5 Coordinate Geometry
Exercise 5.3 | Q 11. (iii) | Page 230
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