Respuesta :
7.5" if the width is now 18 that means its value increased by 3 so multiply 2.5 by 3 and its = to 7.5
Since the width went from 6 to 18, we can conclude that it increased by a factor of 3, 18/6=3. We can now factor in 3 to 2.5 and we see that 3×2.5=7.5. The new height is 7.5".