For the answer to the question above, the answer is C. 4(x + 3). The expression means that the sum of x and 3 is multiplied by 4. This expression should be equal or greater than 28. I hope my answer helped you. Feel free to ask more questions. Have a nice day!
Since there are 60 seconds in one minute, we can form the equation: From here, we can cross multiply. The train would travel 10,800 feet in one minute.