63. If the daughter is 21 now and also half of her mom's age then her mom is now 42 yrs old. In 21 years her mom will be 63 (42 + 21).
Mary is now 22 yrs old, her brother is 11, and her father is 44 yrs old. In 22 years, her brother will be 33 and her father will be 66, while Mary will be 44 yrs old. To figure it out we need to set up algebraic equations relating everyone's current age: M (mary's age now) = 2*B (brother's age now) M = 1/2*F(father's age now) In 22 years from now, her brothers age will be half her father's age. So, B+22 = 1/2(F+22) We can use these equations to solve for everyone's age now. (1) Since Mary's age now is twice her brothers and half of her fathers we combine the first two equations to get: 2B = 1/2F or F=4B, so her father's age now is 4 times her brother's age now. (2) Using this equation and substitute the value for F in the equation which relates her brother's and father's ages 22 years from now and solve for her brother's age now. B + 22 = 1/2 (4B + 22) B + 22 = 2B + 11 B = 11, and F = 4*(11) = 44, and M=2*11=22
Book answer: Tom now 24, Sally now 18 6 years ago Tom was 18 and Sally was 12 which is half Tom's present age. Book appears to be correct. Your answer: Tom now 24, Sally now 16 Eight years ago Tom was 16 and Sally was 8 which is half Tom's age THEN, not NOW.
To figure it out we need to set up algebraic equations relating everyone's current age: x = Brother's age 2x = Sister's age 4x = Parent's age Which means in 22 years: x+22 (Brother)= (4x+22)(Parent)/2 Multiply both sides by 2 2x+44 =4x+22 Divide both sides by 2 x+22=2x+11 Subtract 11 from both sides x+11 = 2x Subtract x from both sides 11 = x Mary is now 22 yrs old, her brother is 11, and her parent is 44 yrs old. In 22 years, her brother will be 33 and her parent will be 66, while Mary will be 44 yrs old.
44.
Today: Erin's age is 3x and Warren's age is x Four years from now: Erin's age is 3x+4 and Warren's age is x+4 3x+4 = 2(x+4) 3x+4 = 2x+8 x = 4 Warren is four years old and Erin is twelve years old.
the age of the woman would be 63
there is no daughter older then her mom "84"
The oldest women was 76 years old but most women cannot have babies at that age or the women has a chance of dying a the babies birth + i know i wouldn't want my mom to be 86 when i was ten.
your mom's age
A 20 year old women has a chance of getting pregnant in the high 80's - close to 90%. By age 40 that falls to about 40%. - so about half the chances of a 20 year old. By age 45 it is about 5%.
i think it is a 8 in a half and on and i think it would go from the age 16 and on
Yes, it is actually legal! And really there are some people that marry people half their age!
she died of old age
Her age is not mentioned.
She died from old age
42 years old.
The same age as your mom.