hello, i've got my answer for this problem but i just don't know how to translate it in "miles apart" thank you for your help.

Two vehicles, a car and truck, leave an intersection at the same time. CAR heads east at speed of 60 mph, while the TRUCK heads south @ a speed of 20 mph. Find an expression for their distance apart d(in miles) at the end of t hours.
***at the end of t hours, the vehicles are how many miles apart? (THIS IS THE ONLY PART I NEED)

Question

hello, i've got my answer for this problem but i just don't know how to translate it in "miles apart" thank you for your help.

Two vehicles, a car and truck, leave an intersection at the same time. CAR heads east at speed of 60 mph, while the TRUCK heads south @ a speed of 20 mph. Find an expression for their distance apart d(in miles) at the end of t hours. 
***at the end of t hours, the vehicles are how many miles apart?  (THIS IS THE ONLY PART I NEED)

anonymous · Answer

What did you get for your answer?

anonymous · Answer

hold on, i'm getting all my papers mixed up...here working w/ someone who knows calculus too so if she gets this i'll just move on to another problem. working on problem w/ cousin at the moment. =)

anonymous · Answer

thank you, polpak...we got it. thanks again. =)

anonymous · Answer

checked over and over and finally found out i got it wrong. =( originally my answer was 5sqrt 2 and when i was going to translate it in miles apart using radicals using 50sqrt2...write the radical 50sqrt 2 in simplified form. this is the one i need. thnks so much. your help is greatly appreciated.

anonymous · Answer

and at the end of t hours, the 2 vehicles are ________ miles apart