Brianna went on a trip to the art museum and sketched a scale drawing of a rectangular wall mural. she used a scale factor of 0.2. the sketch was 12 inches wide and 18 inches long. what was the length of the mural?
3.6 inches
18.2 inches
60 inches
90 inches

The length of the mural was 90 inches.

Step-by-step explanation:

Brianna went on a trip to the art museum and sketched a scale drawing of a rectangular wall mural.

She used a scale factor of 0.2 =

the sketch was 18 inches long.

Let the length of the mural be x

the actual length of the mural = x = 18

                                             x   = 18 × 5

                                              x  = 90

The length of the mural was 90 inches.

this answer is !

ljn

step-by-step explanation: