Question

Average weight of 20 men is 72 kgs, and the
average weight of 34 women is 62.5 kgs. What is the average weight (rounded off to the nearest
integer) of all the men and the women together?
1. 52 kg
2. 66 kg
3. 63 kg
4. 60 kg
5. 50 kg

Answer 1

$\textbf {Hey there, here is the solution.}$

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STEP 1: Find the weight of the 20 men:

Average weight of 20 men = 72 kg

Sum of the weight of the 20 men = 20 x 72 = 1440 kg

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STEP 2: Find the weight of the 34 women:

Average weight of 34 women = 62.5 kg

Sum of the weight of the 34 women = 62.5 x 34 = 2125 kg

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STEP 3: Find the total number of people:

20 + 34 = 54

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STEP 4: Find the total weight of the 54 people:

1440 + 2125 = 3565 kg

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STEP 5: Find the average weight of the 54 people:

3565 ÷ 54 = 66kg

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Answer: The average weight of the 54 people is 66 kg ( Option 2)

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⭐$\textbf {Cheers}$⭐