. The product of Meena's age (in years) 5 years ago and her age 8 years
later is 30. Find her present age
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Answers
Answered by
3
Answer:
Her present age is 7 years.
Step-by-step explanation:
Let her age is x years
By problem
(x-5)(x-8)=30
x^2+3x-70=0
x^2+10x-7x-70=0
x(x+10)-7(x+10)=0
(x-7)(x+10)=0
Either Or
x-7=0 x+10=0
x=7 x=-10(NOT TO BE TAKEN)
THEREFORE x=7 i.e.her present age is 7 years.
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Answered by
1
Answer:
Her present age is 7
Step-by-step explanation:
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