Question
Asked Mar 15, 2019
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6.19
(Nine Chapters 6.14) Now a hare runs 100 bu ahead. A dog pursuing and after 250 bu is still 30 bu
behind. In how many more bu will the dog catch up to the hare?
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6.19 (Nine Chapters 6.14) Now a hare runs 100 bu ahead. A dog pursuing and after 250 bu is still 30 bu behind. In how many more bu will the dog catch up to the hare?

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Expert Answer

Step 1

To calculate the distance travelled (after 250 bu) by the dog to reach the same position as the hare

Step 2

The word problem is converted into a graph as shwon : The blue line represents the relative positions of the dog and the hare (D,H): it passes through (0,100) and (250,280). The red line y=x meets the blue line at the point marked green. This needs to be determined algebraically.

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Step 3

We shall justify the graphic solutio...

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