Asked by Camz
Solve each questions by age equation problem:
1. Jonathan is 3 years older than Alvin. In 7 years, Alvin's age will be 6/7 of Jonathan's age. How old are they now?
2. The present age of Ella's mother is three times that of Ella. After 5 years. Sum of their ages would be 70 years. Find their present ages.
Thank you :))
1. Jonathan is 3 years older than Alvin. In 7 years, Alvin's age will be 6/7 of Jonathan's age. How old are they now?
2. The present age of Ella's mother is three times that of Ella. After 5 years. Sum of their ages would be 70 years. Find their present ages.
Thank you :))
Answers
Answered by
PsyDAG
J = A+3
A+7 = 6/7(J+7)
Substitute A+3 for J in the second equation to solve for A. Put A value in first equation to solve for J.
M = 3E
M+5 + E + 5 = 70
Use similar process.
A+7 = 6/7(J+7)
Substitute A+3 for J in the second equation to solve for A. Put A value in first equation to solve for J.
M = 3E
M+5 + E + 5 = 70
Use similar process.
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