Answer: 72 Miles In 90 Minutes
Step-by-step explanation: First, you have to divide both 15 & 12 by 15, (which represents minutes), and you get 1 over 0.8. Next, you multiply 1 over 0.8 times 90, which gibes you 90/72. There is your answer! I hope that you found this helpful.
Here is the equation below:
15/12 divided by 15/15 = 1/0.8 x 90/90 = 90 MINUTES/72MILES