Answer:
x = 7.5
Step-by-step explanation:
Given that the triangles are similar then the ratios of corresponding sides are equal, that is
= ( cross- multiply )
6x = 45 ( divide both sides by 6 )
If she saved 30% off the original price which is the same as saying she saved $18.00.
That means $18.00 is 30% of the original price.
Let x be original price of the sweater
.3x = 18
x= 18/.3
x= $60.00
2x^2+56x
