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Chapter 6: Problem 2

Sub-Saharan Africa accounted for \(71 \%\) of the 2.2 million adults and children who died of AIDS in the year 2007 . How many sub-Saharan adults and children died of AIDS that year? a. Identify the known ratio. b. Identify the given piece of information. Does this number represent a part or a total? c. How many sub-Saharan adults and children died of AIDS in \(2007 ?\)

Short Answer

Expert verified
Answer: 1,562,000 sub-Saharan adults and children died of AIDS in 2007.

Step by step solution

01

step 1: Identify the known ratio

The known ratio is that Sub-Saharan Africa accounted for 71% of the total deaths caused by AIDS in 2007.
02

step 2: Identify the given information

The given information is that 2.2 million adults and children died of AIDS in 2007. This number represents the total deaths caused by AIDS in 2007.
03

step 3: Convert the percentage to decimal form

To convert the percentage to a decimal, divide it by 100. So, 71% is equal to 71/100, resulting in 0.71 in decimal form.
04

step 4: Calculate the number of sub-Saharan adults and children who died of AIDS in 2007

Multiply the total number of AIDS deaths in 2007 (2,200,000) by the decimal equivalent of the percentage (0.71): Number of sub-Saharan deaths = 2,200,000 * 0.71 = 1,562,000 Therefore, 1,562,000 sub-Saharan adults and children died of AIDS in 2007.

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