L/3 = E
J = L - 20
J + E + L = 120
(L-20) + L/3 + L = 120
Solve for L, then insert the value into first two equations to find J and E.
Jada, Lin, and Elena are saving for a trip. Together they saved $120. Jada save$20 less than lin. Lin saved 3 time as much as elena.Write and expression to represent the total amount of money they saved.
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