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.

Answer 1

J+L+E = 120
J = L-20
L = 3E

L=3E, so
J+3E+E=120
J = 3E-20

3E-20 + 3E+E = 120
7E = 140
E = 20
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