A car reduced its speed in a ratio of 2 to 3 if the final speed was 90 km per hour then what was the original speed.

Question

asked Jan 25, 2023 15.9k views

1 Answer

AlexSC · Answer 1 · 2023-01-30T12:59:13+0000

Answer:

Orginal Speed is 135

Explanation:

The ratio of final speed: original speed is

$(2)/(3\\)$

We know that 90 km is it final speed so, we set up a proportion

(2)/(3) =90/x

$2x=270\\x=135$