400 / 10 and 825/25 We are going to make the denominator equal so we will multiple 10 by 10 and 25 by 4 we will get 100 for both. The denominator are equal. Now multiply the nominator with the number you multiplied the denominator. So, 400 will be multiplied by 10 and 825 will be multiplied by4. We will get 4000 and 3300. Obviously she ran faster on monday