3. A shop owner offered a 30% discount off the regular price of a mirror. The amount of the discount is $4

What is the regular price of the mirror?

Respuesta :

its $15 dollars

20% of x or 0.2 =3 now we solve the ecuation 0.2x=3 divide both side by 0.2.

x=3/0.2

x=15

The regular price is $15

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