Mathematics, 05.03.2021 14:00, tsupreme

Q4 - Exam prep: Missing values Audrey measures all 7 pencils in her pencil case and writes the first 6 lengths down.
11.8 cm, 12.9 cm, 13 cm, 13.2 cm, 14 cm, 13.5 cm
Audrey calculates the mean length of all 7 pencils to be 11.7 cm.
Find the length of the missing pencil.
cm
[2]

Answers: 3

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Q4 - Exam prep: Missing values Audrey measures all 7 pencils in her pencil case and writes the firs...