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alina1380 [7]
2 years ago
11

Sam's age is 125% of mary's age. mary's age is p% of sam's age. what is the value of p?

Mathematics
1 answer:
ddd [48]2 years ago
7 0
Let Sam be (S+8) years while his sister is S years.

S(S+8) = 105

S^2+8S-105 = 0

(S+15)(S-7) = 0

Sam’s sister is 7 years and Sam is 15 years old.
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