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What’s the work and answer? Someone please tell me

Whats The Work And Answer Someone Please Tell Me class=

Answer :

Answer:

75mm

Step-by-step explanation:

average = sum of all number ÷ the amount of number

average = 90mm + 74mm + 112mm+ 30mm + 100mm + 44mm = 450mm ÷ 6

average = 75mm

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