Mathematics, 23.02.2020 15:41 cathyfrawley

Le
The mean age of ten pupils is 12.7
years. Eight pupils are 11, 10, 12, 11,
14, 13, 14 and 16 years old. The ninth ||
pupil is two years younger than the
tenth. What is the age of:
(a) the ninth pupil?
(b) the tenth pupil?

Answers: 1

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Le
The mean age of ten pupils is 12.7
years. Eight pupils are 11, 10, 12, 11,
14, 13,...

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LeThe mean age of ten pupils is 12.7years. Eight pupils are 11, 10, 12, 11,14, 13, 14 and 16 years old. The ninth ||pupil is two years younger than thetenth. What is the age of:(a) the ninth pupil?(b) the tenth pupil?

Answers

Another question on Mathematics

Le
The mean age of ten pupils is 12.7
years. Eight pupils are 11, 10, 12, 11,
14, 13, 14 and 16 years old. The ninth ||
pupil is two years younger than the
tenth. What is the age of:
(a) the ninth pupil?
(b) the tenth pupil?