**Concept: **This is a conversion problem.

**Solution: **Initial speed = 100 kmph

Final Speed = 47 kmph

Reduction = 100 - 47 =53 kmph and as 1kmph =0.625 miles(given),

53 kmph = 53 x (625/1000) = 53 x 5/8 = 265/8 = 33.125 mph

= 33mph(approx.)

**OPTION B**

Modified on: Tue, 12 Oct, 2021 at 12:34 PM

**Concept: **This is a conversion problem.

**Solution: **Initial speed = 100 kmph

Final Speed = 47 kmph

Reduction = 100 - 47 =53 kmph and as 1kmph =0.625 miles(given),

53 kmph = 53 x (625/1000) = 53 x 5/8 = 265/8 = 33.125 mph

= 33mph(approx.)

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