SOLUTION: janice walked five and a half km in one and a quarter hours. what was her speed

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Question 485628: janice walked five and a half km in one and a quarter hours. what was her speed
Found 2 solutions by deborabr, MathTherapy:
Answer by deborabr(181) About Me  (Show Source):
You can put this solution on YOUR website!
km:5,5
time:1h e 15min = 1/4h
5,5/1 / 1/4
5,5/1*4/1
5,5*4
22km/h

Answer by MathTherapy(10552) About Me  (Show Source):
You can put this solution on YOUR website!
janice walked five and a half km in one and a quarter hours. what was her speed

Speed, or S = D (distance) ÷ T (time), or S+=+D%2FT

Since D = 5%261%2F2km, and T = 1%261%2F4hrs, we get:
S = %285%261%2F2%29%2F%281%261%2F4%29 ---- %2811%2F2%29%2F%285%2F4%29 ---- %2811%2F2%29%2A%284%2F5%29 ----- %2811%2Fcross%282%29%29%2A%282cross%284%29%2F5%29 --- 22%2F5 = 4.4

S, or Janice's speed = highlight_green%284.4%29 km/hr

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