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Let us say, the population of men, women, and children in Chicago decreased by 2

ID: 3209252 • Letter: L

Question

Let us say, the population of men, women, and children in Chicago decreased by 25% in January, February, and March of 2016. Given the following table of the above population data, convert the table into matrix and calculate the new population of the three months period in 2016.

JFM 2016 Population

Men

Women

Children

January

195

125

80

February

215

130

91

March

226

318

77

Correct to the nearest whole number ------------------------------------- 70 points

JFM 2016 Population

Men

Women

Children

January

195

125

80

February

215

130

91

March

226

318

77

Explanation / Answer

The decreased values are:

146 94 60

161 98 68

170 239 58

These values are rounded off to the nearest whole number after a decrease of 25%