Okay, 3x just means 3•x. so 3•x-y=15. you would have to have what x and y both mean to get the correct answer. but if they just need it simplified than your answer would be 3•x-y=15
200 divided by 18 = 11.1
This means that the minimum number of gallons that she will need is 11.1.
Answer: I would say it as “Twenty-Two Point Seven Seconds” Hope this helps you
Step-by-step explanation: