SOLUTION: anton is four years older than liza. the product of his age 3 years from now and liza's age two years ago is 90 years old. how old they are?
Algebra.Com
Question 1056016: anton is four years older than liza. the product of his age 3 years from now and liza's age two years ago is 90 years old. how old they are?
Answer by jorel555(1290) (Show Source): You can put this solution on YOUR website!
Let l be Liza. Then Anton is l+4. So:
(l+4+3)(l-2)=90
l^2+5l-104=0
(l+13)(l-8)=0
l=-13, 8
Liza has to be 8 years old, and Anton is 12.😊😊😊😊
RELATED QUESTIONS
Anton is four years older than Lisa. The product of his
age 3 years from now and Lisa... (answered by Edwin McCravy)
Mary is now 24 years old and Liza is 12. how many years ago was Mary's age thrice the age (answered by mananth)
Liza’s age is four less than thrice the age of her younger sister. If two years ago,... (answered by josgarithmetic,ikleyn)
Liza's age is two more than thrice the age of her younger sister. If her younger sister... (answered by ikleyn)
1) The sum of ages of Sam and Joan is 48 years. Eight years from now, Joan will be three... (answered by algebra hello)
The sum of john and lizas age is 21. If john is 3 years younger than liza, how old are... (answered by ikleyn,MathLover1)
Charles is 4 years older than Jake. The product of Charles' age three years from now and (answered by ikleyn)
Liza is one year older than her sister. In four years Liza will be three times older than (answered by josgarithmetic,ikleyn,MathTherapy)
Anton noticed that if he subtracted 12 times his age 12 years ago from his age 12 years... (answered by stanbon)