math
posted by cathy .
an electronics store receives a shipment of 40 graphing calculators including 3 that are defective. Four of the calculators are sleceted to be sent to a local high school. How many selections can be made using the original shipment

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Reiny
MathMate answered the same question last March, except there were 20 calculators instead of your 40
make the corresponding changes.
http://www.jiskha.com/display.cgi?id=1299561374
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