Mathematics, 20.09.2020 06:01 hebrew1148

the sign shows when a lift is safe to use. Total mass of people must be 480kg or less. Fred and some other people are in the lift and their total mass is 565kg to the nearest 5kg. Fred, who has a mass of 88kg to the nearest kg, gets out of the lift. Is the lift now safe to use? Show your working.

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