Question

Caroline places five poles A, B, C, D, and E in order along a straight line.The distance between poles A and D is 1 yard. The distance between poles B and C is the same as the distance between poles A and B. Poles A and B are 1/5 yard apart. The distance between D and E is 7/10 10 yard. How far apart are poles B and E?
1/5 + 3/5 + 7/10 just add these

I got the 3/5 for C-D by subtracting

the 1/5 for A-B and 1/5 for B-C from the 1 for A-D.
Poles a and b are 1/5 yard apart . The distance between d and e is 7/10 yard how far apart are poles b and e ?

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