igtguith
06.10.2019 •
Mathematics
Four candidates are running for president of the student council. three other candidates are running for vice-president. how many different ways can the two offices be filled?
a.
6 different ways
c.
12 different ways
b.
10 different way
d.
15 different ways
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Ответ:
Steps:
given: when x = 8 , y = 20
if x = 68
then y = (68 × 20)/8 = 1360/8 = 170