Homework Help: math

Posted by Tim on Thursday, December 3, 2009 at 5:41pm.

Eight pennies are placed in a row on a tabletop. Every other coin is then replaced with a nickel. Every third coin is then replaced with a dime. finally, every fourth coin is replaced with a quarter. what is vaule of the eight coins noe on the table?

math - Ms. Sue, Thursday, December 3, 2009 at 6:10pm
p p p p p p p p
p p d p p d p p
p p d q p p d q

4 pennies + 2 dimes + 2 quarters = ?
math - chuck, Thursday, December 3, 2009 at 6:41pm
pppppppp
pnpnpnpn
pndnpdpn
pndqpdpq

penny+penny+penny+nickel+dime+dime+quarter+ quarter=3+5+10+10+25+25=78 cents. I think Ms. Sue overlooked the part about every other coin being replaced by nickels.
math - Ms. Sue, Thursday, December 3, 2009 at 7:15pm
Thank you, Chuck. I did overlook that fact.

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