Asked by Da S

pei fen walked a distance of 526 m.then she walked for another 5minutes at a speed of 70m/min.she took a total of 12 min to walk the entire distance.
A.find the total distance that pei fen walked
b.what was pei fen's average speed for the whole journey?
Answered by David
total distance = 526 + 5 * 70

avg speed = total distance / 12 min
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