Jess0987 Jess0987

17-10-2020
Mathematics

contestada

6. Jack is x years old
Jill is 8 years older than Jack.
Mary is three times older than Mary.
The Sum of their ages is 67.
(a) Form a simplified equation in terms of x
(b) Solve the equation and work out Rebecca's Mary's and Jill's ages

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BishrantBaral BishrantBaral

17-10-2020

Answer:

i didn't understand in third line mate

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