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MathsGee is Zero-Rated (You do not need data to access) on: Telkom |Dimension Data | Rain | MWEB

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The air pressure of a punctured tyre deflated from 220 kPa to 70 kPa at a decreasing rate of 8% per minute. Determine (to the nearest minute) how long it took the tyre to deflate from 220 kPa to 70 kPa
in Mathematics by Diamond (61,634 points) | 30 views

1 Answer

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220 -70 = 150 kPa

150/220 x 100/1= 68.18%

8% - 1 minute

68.18% = 68.18/8 x 1

8.52 minutes = 9 minutes
by Wooden (4,304 points)

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