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Rena pushed the button for the elevator to go up, but it would not move. The weight limit for the elevator is 450 kilograms, but the current group of pass angers weighs a total of 750 kilograms. Rena wants to determine how many 70-kilograms passengers need to get off the elevator

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KYIP

First, you need to do 750 minus 450. It is 300. next you can do 70 times x amount of passengers is greater than or equal to 300. (70x>300) 70 times 4 is not enough. 70 times 5 is 350 which is greater than 300. 5 passengers need to get off, reducing the weight to 400.

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