Thursday

August 21, 2014

August 21, 2014

Posted by **loulou** on Tuesday, April 23, 2013 at 10:58pm.

- algebra -
**Henry**, Saturday, April 27, 2013 at 5:17pmX min. = Joe's time.

2x/3 = Frank's time.

1/x + 3/2x = 1/40

Multiply both sides by 2x:

2 + 3 = x/20

x/20 = 5

X = 100 min. = Joe's time.

2x/3=200/3 = 66.67 min. = Frank's time.

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