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Hardware Store

2 comments | Monday, January 31, 2005

A man goes into a hardware store to purchase some knobs. To purchase one knob you must pay a minimum of 4 U.S. coins. Two knobs can be purchased with a minimum of 6 U.S. coins. 3 knobs require a minimum of 2 U.S. coins. How much does one knob cost?

U.S Coins include: a penny ($.01), a nickel ($.05), a dime ($.10), a quarter ($.25), a half-dollar ($.50), and a silver dollar ($1.00).

I'll show the answer when someone tries to answer it O.K.

posted by Juan Carlos

at 7:42 PM Permalink

2 Comments:

Blogger Neal Locke said...

One knob costs 17 cents:

1K=(.17)=.01+.01+.05+.10 (4 coins)
2K=(.34)=.25+.05+.01+.01+.01+.01 (6 coins)
3K=(.51)=.50+.01 (2 coins)

HA! Who says English teachers can't do math???

11:19 PM

 
Blogger Neal Locke said...

This comment has been removed by a blog administrator.

11:20 PM

 

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