In a parking areana 7 out of 21 vehicles are red if there are 342 vehicle in the parking then how many vehicles will be of red

Geometry answer picture question pls . reason and statements

Asquare is dilated by a scale factor of 1.25 to create a new square. how does the area of the new square compare with the area of the original square? a)the area of the new square is 1.25 times the area of the original square. b)the area of the new square is 2.50 times the area of the original square. c)the area of the new square is 1.252 times the area of the original square. d)the area of the new square is 1.253 times the area of the original square.

25 ! i need asap! ! ill mark brainliest!