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A motorist travels for 3 hours at a certain speed and then increase his speed by 10 km for the next 4 hours If he travels 335 km altogether, Find his speed for the First 3 hours​

Respuesta :

Answer:

See the answer below.

Step-by-step explanation:

We know that:  [tex]d=S\times t[/tex]

So, using the given data, we can write an equation for the total distance travelled as:

[tex]3\times S+4\times (S+10)=335\\\\\Rightarrow S\approx 42.1\:Km/h[/tex]

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