Question

find the average speed when a car travels for 130 miles in 2 1/2 hours with full working

Answer 1

Answer:

130 mile/hour

Explanation:

130 miles/2.5 hours=52 mile/hour

Answer 2

The average speed of the car = 52 miles/hour

Given :

$\displaystyle \sf A \: car \: travels \: for \: 130 \: miles \: in \: 2 \frac{1}{2} \: hours$

To find :

The average speed of the car

Solution :

Step 1 of 2 :

Write down total distance travelled and total time taken

Here it is given that ,

$\displaystyle \sf A \: car \: travels \: for \: 130 \: miles \: in \: 2 \frac{1}{2} \: hours$

Total distance travelled = 130 miles

Total time taken

$\displaystyle \sf =2 \frac{1}{2} \: hours$

$\displaystyle \sf =2.5 \: hours$

Step 2 of 2 :

Calculate average speed of the car

The average speed of the car

$\displaystyle \sf = \frac{Total \: distance \: travelled}{Total \: time \: taken }$

$\displaystyle \sf =\frac{130}{2.5} \:miles/hour$

$\displaystyle \sf =52 \:miles/hour$

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