please explain your answer and how you got it..

Samantha had a board that was 6ft. 8in.long.she cut off a piece that was 2 ft.10in.long.how much board does she have left?

A.4ft. 10in
B.4ft. 2in
C.3ft. 2in
D.3ft.10in

4 answers

I'll be glad to check your answer.
Convert everything into inches:

6 ft., 8in.- 80 in.
2 ft., 10 in.- 34 in.

80 - 34 = 46 inches.

46 / 12 = this is 3 feet, 10 inches.
can you please give the answer of the whole test
I dont have the answers for the whole test but I do have the answer for this question D. 3 ft. 10 in. Hope this helps!