Copies of a famous painting were created at the local art museum for visitors to purchase. The copies had a 30% smaller area than the original painting. If the original painting had an area of 18 ft², what is the area of the copy, to the nearest tenth of a square foot?

12.6 square feet

Step-by-step explanation:

So first we set it up:

18ft is 100% of the original

and the area of the copies are 70%

Copies: x

x/70 = 18/100

70(18) = 1260

1260/100 = 12.6

x = 12.6

it is contrapositive

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