Mathematics: If a bus travels 20 km in 30 minutes. what is the average speed of the bus? a.) 20km/h b.) 30km/h c.) 40km/h d.) 50km/h

We need to cross multiply.So your question is:This can also be written as:So if we cross multiply, we will get...

If a bus travels 20 km in 30 minutes. what is the

Ответ:

BreadOfTheBear

31.12.2021

So we need to find the average speed of the bus that travels 20 km in 30 minutes. Average speed is defined as: Average speed=distance travelled/time taken or: v=s/t. We know s=20 km and t=30 minutes=0.5h. So after we input our numbers in the equation, we get: v=20km/0.5h=40km/h. So the correct answer is C) 40km/h.

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Ответ:

tiwaribianca475

23.10.2022

Mathematics

We need to cross multiply.

$\frac{a}{b} = \frac{c}{d}$

$= \frac{a}{b} \times bd= \frac{c}{d} \times bd$

ad=bc

So your question is:
$\frac{d}{1.2}=6$

This can also be written as:
$\frac{d}{1.2} = \frac{6}{1}$

So if we cross multiply, we will get

$d \times 1 = 1.2 \times 6$

d= 7.2

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If a bus travels 20 km in 30 minutes. what is the average speed of the bus?
a.) 20km/h
b.) 30km/h
c.) 40km/h
d.) 50km/h

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