pleas explain the answer
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d is the answer( maximum value of friction)
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Sum of ages = 50.
let mothers age be x
and daughters age (50-x)
After 20 years:
Mothers age x + 20
Daughters age (50 - x) + 20
given mothers age = 2× daughters age
x + 20 = 2 (50 - x + 20)
x + 20 = 100 - 2x + 40
3x = 120
x = 40
therefore mothers age 40 yrs. Daughters age 10 yrs.
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let mothers age be x
and daughters age (50-x)
After 20 years:
Mothers age x + 20
Daughters age (50 - x) + 20
given mothers age = 2× daughters age
x + 20 = 2 (50 - x + 20)
x + 20 = 100 - 2x + 40
3x = 120
x = 40
therefore mothers age 40 yrs. Daughters age 10 yrs.
please mark brainliest
Read more on Brainly.in - https://brainly.in/question/7129329#readmore
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