QuestionMissy rode 16 miles in 1.25 hours. What is her average speed in miles per hour?

Studdy Solution

STEP 1

Assumptions1. The distance travelled by Missy is16 miles. The time taken by Missy is $1 \frac{1}{4}$ hours3. We are asked to find the average speed, which is defined as the total distance travelled divided by the total time taken.

STEP 2

First, we need to convert the mixed fraction $1 \frac{1}{4}$ to a decimal. $1 \frac{1}{4} =1 + \frac{1}{4}$

STEP 3

Now, convert the fraction $\frac{1}{}$ to a decimal.
$\frac{1}{} =0.25$ $1 \frac{1}{} =1 +0.25$

STEP 4

Calculate the total time in decimal form.
$1 \frac{1}{4} =1 +0.25 =1.25 \, hours$

STEP 5

Now that we have the total distance travelled and the total time taken, we can find the average speed by dividing the total distance by the total time.
$Average\, speed = \frac{Total\, distance}{Total\, time}$

STEP 6

Plug in the values for the total distance and the total time to calculate the average speed.
$Average\, speed = \frac{16\, miles}{1.25\, hours}$

STEP 7

Calculate the average speed.
$Average\, speed = \frac{16\, miles}{1.25\, hours} =12.\, miles/hour$ Missy's average speed was12. miles per hour.

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