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11 and 10
It decreased by 80%.
Sum of ages divided by the number of people or things whose ages you are trying to average.
The sum of the ages of husband and his wife is four times the sum of the ages of their children.Four years ago,the ratio of the sum of their ages of their to the sum of the ages of their children was 18:1 two years hence the ratio will be 3:1. How many children do they have.
Depends on what "school age" is. Here are the average charts by height and weight for children of different ages: For boys: http://www.cdc.gov/nchs/data/nhanes/growthcharts/set1clinical/cj41l021.pdf For girls: http://www.cdc.gov/nchs/data/nhanes/growthcharts/set1clinical/cj41l022.pdf
20 percent !
mental health
20 percent
Mental health
The stage of preoperational thought to the concrete operational stage.
Twenty percent
Ages from five to 18
all ages most dies young, and had children around the age of 12
"The original Leapster Learning System is designed for children who are between the ages of four and eight years. There is also a Leapster Two system, designed for children between the ages of three and eight years."
between the ages of 67 and 73
Between 10-15 months on average
Usually between the ages of 12 - 15 years.