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RUDIKE [14]
2 years ago
15

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.​

Mathematics
1 answer:
Licemer1 [7]2 years ago
8 0

Answer:

Orginal Speed is 135

Step-by-step explanation:

The ratio of final speed: original speed is

\frac{2}{3\\}

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

\frac{2}{3} =90/x

2x=270\\x=135

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