2 years ago

Carlos ran 7 miles in 57/3/4 minutes. How fast did he run each mile?

Mathematics

1 answer:

Sedaia [141]2 years ago

4 0

Devide your time by 7

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harina [27]

Since x=8y, subsitute 8y for x in other equation

y=6x-11
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11=47y
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subsitute taht for y to find x

x=8y
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$x=\frac{88}{47}$
$y=\frac{11}{47}$
in (x,y) form
(x,y)
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dem82 [27]

(trying to isolate/get x by itself in the equation)

5(x + 6) = 50 Distributive property [distribute 5 into (x + 6)]