Ben has a collection of 240 baseball cards. Of these cards, 30% once played

1 answer:

5 0

Ok so lets start off with calculating the percentage. We have 240 cards so lets find 25% of them so lets use 240 times .25 we get 60 cards then take away 240 - 60 = 180. Next we do the 30% so 240 times .30 would be 72 so take away 180 from 72 thats 108. So there are 108 Houston Astros Cards.

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Step-by-step explanation:

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So, we can model the population P in million as a function of time(t) in years since 2010 as

P = 309.35 + 2.31t ....... (1)

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