Braingle: 'Sam Walks and Rides...' Brain Teaser

Sam Walks and Rides...

Math brain teasers require computations to solve.

Puzzle ID:	#480
Fun:	(2.17)
Difficulty:	(1.4)
Category:	Math
Submitted By:	Sydgal47
Corrected By:	MarcM1098

Sam walks to her best friend's house at 2 miles per hour. She eats lunch there for 1 hour and then borrows a bike and rides home 5 times faster than she could walk. There are 10 miles between the two houses. What time must Sam leave from her house in the morning to be back by 4:00 p.m.?

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Comments

Gizzer Aug 09, 2002	She'll have a late lunch then
paul726 Mar 03, 2006	She really ought to be able to walk faster than that.
jntrcs Mar 22, 2006	ya that's a little unrealistic but i liked it
Vigo95 Mar 29, 2006	yah .... walking ten miles ... i don't think so . i don't like anybody that much !
dishu May 30, 2006	she must be really a sports enthusiast or having a strong desire to lose weight to walk so long
sbuske Aug 22, 2007	liked it. keep em coming
javaguru Jan 29, 2009	Not much teaser in that simple math problem.