1 Answered Questions for the topic J"atu Au Mathematique Amusant

J"atu Au Mathematique Amusant

05/04/14

maths is fun
In a group of 14 children some are nine years old and the rest are eleven years old. When the ages of the 14 children are added together the total is 138 years. How many nine-year-old children are... more
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