The percents (by age group) of the total amounts spent on three types of footwearin a
Chapter 8, Problem 20(choose chapter or problem)
The percents (by age group) of the total amounts spent on three types of footwearin a recent year are shown in the matrix. The total amounts (in millions) spent byeach age group on the three types of footwear were $442.20 (1417 age group),$466.57 (1824 age group), and $1088.09 (2534 age group). How many dollarsworth of gym shoes, jogging shoes, and walking shoes were sold that year?
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