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Debora [2.8K]
2 years ago
14

Eighty percent of one store's customers paid with credit cards. Forty customers came in that day. How many customers paid for th

eir purchases with credit cards?
Mathematics
2 answers:
shusha [124]2 years ago
8 0
.80*40, or 8*4, or 32!   32 people paid with a credit card!
mario62 [17]2 years ago
6 0
80%=.8

40*.8=32

32 people made their purchases with credit cards.
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In this question, the profit of the restaurant after t months is given by a polynomial function. To find when it begins to show a profit, we find the numerical values of the function for t, and it shows a profit when t > 0

Profit after t months:

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This is P(0). So

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2 months:

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3 months:

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4 months:

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5 months:

This is P(5). So

P(5) = 5^4 - 10*5^3 + 28*5^2 - 24*5 = -45

6 months:

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7 months:

This is `P(7). So

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After 7 months it shows profit, so it starts showing profit on the 6th month, and thus, the correct answer is given by option D.

For another example of a function involving numeric value, you can check brainly.com/question/24231879

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