Question

the product of nilami age 5 year ago and 8 year ago is 40 find the nilami present age​

Answer 1

Answer:

5y divide by 40 = 8y +8 = 16 age is a present age

Step-by-step explanation:

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Answer 2

Answer:

let the age be x

(x-5) (x-8) = 40

x² - 13x + 40 = 40

x² - 13x = 0

x(x - 13) = 0

as nilami can't be 0 years old, x ≠ 0

so x - 13 = 0

x= 13

nilami is 13 yrs old