Thunder from a bolt of lightning can travel 1/5 miles in one second.
Given, distance = 1/10 mile and
time = 1/2 second .
we need to find distance travelled in one second.
The distance travelled by thunder bolt from lightning in one second can be calculated using unitary method. So, to calculate we will relate the known distance with given time. Further, we will compare it at with desired time.
So, distance travelled in 1/2 second = 1/10 mile
Hence, distance travelled in 1 second = 1/10 ₊ 1/10
Shifting 2 to the numerator and 10 to the denominator. The new fraction will be -
Distance travelled in 1 second = 2/10 = 1/5
Distance travelled in 1 second = 1/5 mile
Hence, thunder from a bolt of lightning can travel 1/5 miles in one second.
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