afiqah1430 afiqah1430

24-12-2020
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contestada

:. Solve the value of x for the following proportion
problem.
(2x +3 ) miles (x+3) miles
6 hours
4 hours

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jesusm1 jesusm1

24-12-2020

Answer:

So you start by cross multiplying
(2x+3)(x+3)
2x^2+6x+3x+9
Combine like terms
2x^2+9x+9
Now you must factor to find the roots (ie =0)
You find that the roots are -3

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