Question

Starting at home, Omar traveled uphill to the gift store for 30 minutes at just 10 mph. He then traveled back home along the same path downhill at a speed of 30 mph. What is his average speed for the entire trip from home to the gift store and back?

Answer 1

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speed from home to gift store = 20mph

speed from gift store to home = 30mph

average speed = ( 20 + 30 ) / 2

= 50/2 = 25mph

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Answer 2

The average speed is 15 mph.

Step-by-step explanation:

Since we have given that

Speed at which Omar traveled uphill to the gift store = 10 mph

Speed at which Oman traveled back to the home = 30 mph

So, Average speed would be

$\dfrac{2xy}{x+y}\\\\=\dfrac{2\times 10\times 30}{10+30}\\\\=\dfrac{600}{40}\\\\=15\ mph$

Hence, the average speed is 15 mph.

# learn more:

Starting at home, Luis traveled uphill to the gift store for 505050 minutes at just 666 mph. He then traveled back home along the same path downhill at a speed of 121212 mph.

What is his average speed for the entire trip from home to the gift store and back?

https://brainly.in/question/10131264