Question 523761
let her have $	x  							
she spent 	30	on dress						
Balance she had =		x  	-	30)
She spent 1/5 of it on skirt =0.2				
Skirt	0.2	(x-	30	) 				
Balance she had was 		(x-30) -0.2(x-	30) 

(x-30) -1/5(x-	30) =2x/3

LCD of equation = 15
multiply by 15
15(x-30)-3(x-30)=10x
15x-450-3x+90=10x

12x-10x=360

2x=360
/2
x=180

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