SOLUTION: If twice Betty s age in years plus Joe s age in years equals seven, how old are Betty and Joe?

Algebra.Com
Question 1149782: If twice Betty s age in years plus Joe s age in years equals seven, how old are Betty and Joe?
Answer by ikleyn(52803)   (Show Source): You can put this solution on YOUR website!
.

2*(B+y) + (J+y) = 7


2B + 2y + J + y = 7


2B + J + 3y = 7


The only reasonable solution in integer positive numbers is


    B = 1,  J = 2 years.    (y=1)   ANSWER


RELATED QUESTIONS

Joe is ten years older than James. In eight years, twice Joe’s age will equal three times (answered by josgarithmetic)
Ann, Betty, and Charlotte are sisters, Ann is twice as old as Betty, and Betty is !2... (answered by ptaylor)
Betty is 5 times Tom's age. If the difference in their ages is 8 years, how old is Betty? (answered by FrankM)
Betty is three times as old as her son now. In 12 years, Betty's age will be three years... (answered by ikleyn)
Joe is 22 years old and Ruth is 10 years old. In how many years will joe be twice the age (answered by josgarithmetic,ikleyn)
Grandma Betty is between fifty and seventy years old. Each of her sons has as many sons... (answered by ankor@dixie-net.com)
In 2000 joe was 53 years old and tom was 23 years old If x years before 2000,joe age... (answered by ikleyn)
if Don is 21 years older than betty, and in 6 years he will twice as old as betty how old (answered by scott8148)
Joe is 10 yrs. older than James. In 8 yrs. twice Joe,s age will equal three times James... (answered by ankor@dixie-net.com)