Question

Ana runs 3/4 mile in 6 minutes. Assuming she runs at a constant rate, what is her speed, in miles per hour

Answer 1

Answer:

speed = dist/time

Step-by-step explanation:

dust travelled= 3/4 miles

time in min= 6

time in hr = 6/60 = 1/10

therefore speed of Ana is 3/4 x 10/1 = 7.5mil/hr

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Answer 2

Answer:

Speed of Ana =  7.5miles/hour

Step-by-step explanation:

Given,

Ana runs 3/4 mile in 6 minutes.

To find,

The speed of Ana in miles per hour

Recall the formula,

Speed = $\frac{distance \ traveled }{Time \ taken}$

60 minutes = 1 hour

Solution:

Distance traveled = $\frac{3}{4}$mile

Time taken = 6 minutes

Since 60 minutes = 1 hour, we have

1 minute = $\frac{1}{60}$hour

6 minutes = $\frac{6}{60}$ hour

= $\frac{1}{10}$ hour

Hence speed  = $\frac{distance \ traveled }{Time \ taken}$

= $\frac{\frac{3}{4} }{\frac{1}{10}}$ miles/hour

= $\frac{15}{2}$ miles/hour

= 7.5miles/hour

∴ Speed of Ana =  7.5miles/hour

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