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Burka [1]
2 years ago
13

Ann takes 70 paces to walk 50m. the number of paces ann takes to walk 3.5km is A.70 B.490. C.3900 D.4900​

Mathematics
1 answer:
Shalnov [3]2 years ago
4 0
<h3>Answer:  4900  (choice D)</h3>

===================================================

Work Shown:

1 km = 1000 m

3.5 km = 3500 m  ............. multiplying both sides by 3.5

(70 paces)/(50 m) = (x paces)/(3500 m)

70/50 = x/3500

7/5 = x/3500

7*3500 = 5x .............. cross multiply

5x = 7*3500

x = (7*3500)/5

x = (7*5*700)/5

x = 7*700

x = 4900

Ann takes 4900 paces to walk 3.5 km

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