Of the 100 families at a local farmer's market, 75 brought their kids with them, 25 brought their dog and 15 brought neither. How many families broug both their dog and their kids with them? 15 4.
Of the 100 families at a local farmer's market, 75 brought their kids with them, 25 brought their dog and 15 brought neither. How many families broug both their dog and their kids with them? 15 4.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:QUESTION 2
Of the 100 families at a local farmer's market, 75 brought their kids with them, 25 brought their dog and 15 brought neither. How many families brought
both their dog and their kids with them?
O 3
15
4
QUESTION 3
Frank is inviting six friends to dinner. He has 30 close friends, 20 are woman and 10 are men. How many ways can he invite an equal number of men
and women? (Leave answers in Combinatorics format.)
O P(10,3)*P(20.,3)
O C(10,3) +C (20,3)
O (30,6)
O C(20,3)*C(10,3)
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