Answer :
Answer:
$120
Step-by-step explanation:
We can represent the word problem as:
2x - 138 = 102
Solve for x.
2x = 102 + 138
2x = 240
x = 120
Thus the original amount in the wallet was $120.
Answer:
$120
Step-by-step explanation:
We can represent the word problem as:
2x - 138 = 102
Solve for x.
2x = 102 + 138
2x = 240
x = 120
Thus the original amount in the wallet was $120.