A.
The council randomly surveys people from a list of city residents.
B.
The council surveys a random selection of visitors to the city's parks.
C.
The council does a random survey of parents of children playing in the city's parks.
D.
The council randomly surveys employees of the city's parks department.
32 Cards are left to be signed.
total cards are 75,
then , 2/5 of 75 = 30.
now left cards 75 -30 = 45
That leaves 45 cards
1/9 of 45 = 5 cards,
so 45 -5 = 40 ⇒ that leaves 40.
now,
Calculate 20% of 40,
40 × = 8
that is 8 cards.
cards are left to be signed 40 - 8 = 32
Therefore, 32 Cards are left to be signed.
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Answer:
There are 32 cards yet to be signed.
Step-by-step explanation: