SECTION D - MATHEMATICS
The average age of a group of 25 girls is 10 years. If one gin
aged 12...
Mathematics, 26.08.2020 20:01 jazzy200232
SECTION D - MATHEMATICS
The average age of a group of 25 girls is 10 years. If one gin
aged 12 years and 4 months joins the group, find, correct to one
decimal place, the new average age of group.
10.1 years (b) 9 3 years (c)8.7 years (d) 8.3 years
Answers: 3
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