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Mathematics, 11.11.2020 16:10 capricorn0115

This sign shows when a lift is safe to use. [Total mass of people must be 480 kg or less]
Fred and some other people are in the lift and their total mass
is 565 kg to the nearest 5 kg.
Fred, who has a mass of 88 kg to the nearest kg, gets out of the lift.
Is the lift now safe to use?
You must show your working and clearly state 'Yes it is safe' or 'No it is not safe'.

This sign shows when a lift is safe to use.

[Total mass of people must be 480 kg or less]
Fred an

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This sign shows when a lift is safe to use. [Total mass of people must be 480 kg or less]
Fre...

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