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jay71599 jay71599
  • 11-11-2016
  • Mathematics
Answered

Wilma is twice as old as Jamal, and Jamal is 3 years older than Tim. The sum of all their ages is 17.


Let j be Jamal's age. Write and solve an equation to find Jamal's age.

Verified Answer :

texaschic101
texaschic101 texaschic101
  • 11-11-2016

W = 2J
J = T + 3......T = J - 3

W + T + J = 17
2J + J - 3 + J = 17
4J - 3 = 17
4J = 17 + 3
4J = 20
J = 20/4
J = 5 <=== Jamal is 5

W = 2J
W = 2(5)
W = 10 <== Wilma is 10

T = J - 3
T = 5 - 3
T = 2 <== Tim is 2

Answer Link
eslingsby10 eslingsby10
  • 11-11-2016

w= 2J
T=J-3
therefore (2J)+(J)+(J-3)=17
4J=20
J=5

Answer Link

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