Let x be the original price. Then the discounted price is discount = x(1 - 0.85) The discounted price is $18.00. Therefore 18.00 = x(0.15) x = 18.00 / 0.15 x = $120.00 The amount she saved is $120.00 - $18.00 = $102.00
The answer to this question is that Ella saved $102.00.
So it took an hour an 15 minutes which means the distance traveled is their speed+1/4 of their speed, also any answers that have northbound going faster than 6km/h above south is not right so B and D seems to be out of the picture
The perimeter of a shape is the distance around it, or all of the lengths of its sides added together. So the perimeter can be represented by s + (s + 4) + 3s.