Answer:
4
Step-by-step explanation:
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2x+3=4x+2
-2 both sides
2x+1=4x
-2x both sides
1=2x
2x=1
÷2 both sides
x=0.5 or 1/2
A
Lucy has $60
Mel had 80
Lucy had 40
Now Mel has 100
and Lucy has 60
60/100 = 3/5