If the weight of A is 4 kg- What is the average weight of A- B- C and D - A- 9 kgB- 14 kgC- 13 kgD- 11 kgE- 7 kg

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Averages

If the weight...

Question

If the weight of A is 4 kg. What is the average weight of A, B, C and D?

7 kg

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13 kg

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9 kg

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14 kg

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11 kg

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Solution

The correct option is B 13 kg
Solution: Option (b)

Total weight of A, B, C and D = ${x + (x + 3) + (x + 9) + (x + 12)} = 4 x + 36$

Average weight = $(\frac{4 x + 36}{4})$ = x + 9 = 13 kg when x = 4 kg.

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If the weight of A is 4 kg. What is the average weight of A, B, C and D?

The correct option is B 13 kgSolution: Option (b) Total weight of A, B, C and D ={x+(x+3)+(x+9)+(x+12)}=4x+36 Average weight = (4x+364) = x + 9 = 13 kg when x = 4 kg.

The correct option is B 13 kg
Solution: Option (b)

Total weight of A, B, C and D = ${x + (x + 3) + (x + 9) + (x + 12)} = 4 x + 36$

Average weight = $(\frac{4 x + 36}{4})$ = x + 9 = 13 kg when x = 4 kg.