In his wardrobe at home, a business man has 7 suits and 8 ties. From those suits and ties he has on hand, he?

March 23, 2010 by admin · 4 Comments
Filed under: Mathematics 
business suit
jane asked:

In his wardrobe at home, a business man has 7 suits and 8 ties. From those suits and ties he has on hand, he plans to take 3 of the 7 suits and 2 of the 8 ties with him to a conference in San Francisco. How many different possible suit-tie combinations can he choose from to wear PRIOR TO HIS TRIP?
a.56
b.336
c.890
d.1176
e.None of the above

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Comments

4 Responses to “In his wardrobe at home, a business man has 7 suits and 8 ties. From those suits and ties he has on hand, he?”
  1. tiggy.twonk says:
    March 26, 2010 at 8:45 am

    7×8=56! think thats right!

    theres 8 combinations per suit, so that should be right! tiggy.twonk

  2. fcas80 says:
    March 26, 2010 at 4:54 pm

    (7C3)*(8C2)=35*28=980 fcas80

  3. ♥/kayla/♥ says:
    March 29, 2010 at 1:17 pm

    a. i think. **if it’s asking how many suit-tie combos he has in his wardrobe, which would be odd because all you need to know to answer that would be the first sentence. Strange how that’s worded…** ♥/kayla/♥

  4. Rebecca R says:
    April 1, 2010 at 12:24 pm

    56 combinations

    number of suits times number of ties = combination of each

    shown by
    ….s1, s2, s3, s4, s5, s6, s7
    t1..x…x….x……x….x…x… = 7 combinations for t1
    t2
    t3
    t4
    t5
    t6
    t7
    t8

    so 8 rows of 7 options = 56 Rebecca R

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