Buck drove 220 miles in 5 hours. What was his average rate of speed?

2 answers:

8 0

Let
Total distance = d = 220 miles
Total time = t = 5 hours
Average speed = ?

The required formula to find average rate of speed is 

avg speed = d / t = 220 / 5 

average speed = 44 miles / hour

luda_lava [24]3 years ago

4 0

220/5=44km/h because speed = distance/time

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Marizza181 [45]

Let's say there were "x" in 1996, therefore, "x" is the 100%.

10 years later, there are 12440, and that is 1126% "more" than "x", since "x" is 100%, 1126% more than that is 100% + 1126%, or 1226%.

so, 12440 is really 1226% of whatever "x" happened to have been back then in 1996.

now, since we know that 12440 is 1226%, what is "x" then?

$\bf \begin{array}{ccll}
amount&\%\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
x&100\\
12440&1226
\end{array}\implies \cfrac{x}{12440}=\cfrac{100}{1226}\implies x=\cfrac{12440\cdot 100}{1226}$

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3 years ago

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RideAnS [48]

Answer:

Step-by-step explanation: