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gtnhenbr [62]
3 years ago
13

Anna hiked 95⁄8 miles in 23⁄4 hours. How fast did she walk overall? A. 31⁄4 miles per hour B. 35⁄8 miles per hour C. 31⁄2 miles

per hour D. 31⁄3 miles per hour
Mathematics
2 answers:
pickupchik [31]3 years ago
8 0

Answer:

C

Step-by-step explanation:

We have the distance Anna walks, which is 9 5/8 miles and the time she takes to walk that far is 2 3/4 hours. Velocity is defined as distance over time:

V=d/t

Therefore we can calcuate her velocity which is speed. We change the numbers to fractions

[tex]V=(77/8)/(11/4)=(77/8)*(4/11)=77/22[/te]

77/22 is 3 1/2 so the answer is C

Pani-rosa [81]3 years ago
6 0

Answer:

C. 3 1/2 miles per hour

Step-by-step explanation:

I just converted the fractions to decimal form.

5/8 = 0.625           9 + 0.625   = 9.625

3/4 = 0.75             2 + 0.75     = 2.75

Now divide the 2 numbers:

9.625 / 2.75 = 3.5

Finally, convert the decimal back to a fraction:

3.5 = 3 1/2

Hope this helps!


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