The distance from your house to school is 56 mile. You have already biked 36 mile. Which equation shows how to find the distance you still need to travel to get to school? A. 56 + 36 = 812

B. 56 – 36 = 26

C. 56 + 36 = 86

D. 56 – 36 = 20

Why does a,b,c all don’t have the right answer lol. So I guess the answer Is D. Have a good day

Best answer that i found on yahoo ok   set :   x= length of 2nd piece in cm  x- 3= length of 1st piece in cm  x-4= length of 3rd piece in cm  then since you know they all came from the 20 cm ribbon you add them together and set them equal to 20x+ x-3 +x-4 = 20  3x - 7= 20  3x= 27  x= 9  the shortest piece is the third piece which is x- 4  x-4  9-4 = 5  the length of the smallest piece is 5 cm.  the other lengths are  9 cm  6 cm