rtru044 rtru044

03-02-2018
Mathematics

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a car travels 35 mph for r+2 hours,how far does it travel

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jdoe0001 jdoe0001

03-02-2018

recall d = rt, distance = rate * time.

[tex]\bf d=rt\qquad \begin{cases} r=\stackrel{mph}{35}\\ t=\stackrel{hours}{r+2} \end{cases}\implies d=35(r+2)\implies d=35r+70[/tex]

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