The total weight of Peter, David and Henry is 123 kg. Peter is 15 kg heavier than David. David is 3 kg lighter than Henry. What’

Question

3 years ago

10

s Henry’s weight?

1 answer:

Marizza181 [45] · Answer 1 · 2022-02-07T11:36:51+03:00

The weight of Henry would be 38 kg.

Step-by-step explanation:

The total weight of Peter (P), David (D) and Henry (H) is 123 kg. Peter is 15 kg heavier than David. David is 3 kg lighter than Henry.

We have to find the weight of Henry (H).

Given that,

P +D + H = 123 kg

also

P = D + 15 (as Peter is 15 kg heavier than David)

D = H - 3 (as David is 3 kg lighter than Hanrey)

it can also be written as

H = D + 3

By putting the values of P and D in main equation, we get

(D + 15) + D + (D+3) = 123

3D + 18 = 123

3D = 123 - 18

3D = 105

or

D = 35

So, the weight of Henry would be (D+3) => (35+3) => 38 kg.

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