The passcode to open this digital lock is the smallest common multiple of 60 and 80. What is the passcode?

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120

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240

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Solution

The correct option is D 240
We need to find the LCM of 60 and 80.
Multiples of 60: 60, 120, 180, 240....
Multiples of 80: 80, 160, 240, 320......
Lowest common multiple of 60 and 80 is 240.
Therefore, the passcode to open the digital lock is 240.

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The passcode to open this digital lock is the smallest common multiple of 60 and 80. What is the passcode?

The correct option is D 240We need to find the LCM of 60 and 80. Multiples of 60: 60, 120, 180, 240.... Multiples of 80: 80, 160, 240, 320...... Lowest common multiple of 60 and 80 is 240. Therefore, the passcode to open the digital lock is 240.

The correct option is D 240
We need to find the LCM of 60 and 80.
Multiples of 60: 60, 120, 180, 240....
Multiples of 80: 80, 160, 240, 320......
Lowest common multiple of 60 and 80 is 240.
Therefore, the passcode to open the digital lock is 240.