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Leya [2.2K]
2 years ago
14

Carrie has $5.50 saved. She wants to buy a book that costs $15.00, including tax. Carrie plans to save $1.25 cach Friday What is

the minimum number of Fridays it will take Carrie to have enough saved to buy the book?
Mathematics
1 answer:
aev [14]2 years ago
5 0

Answer:

Step-by-step explanation:

15 + t

t= tax

16-5.50 = 10.5

10.5 / 1.25 is around 8.4

It will take Carrie a minimum of 8 friday’s

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Step-by-step explanation:

The question says,

A roulette wheel has 38 slots, of which 18 are black, 18 are red,and 2 are green. When the wheel is spun, the ball is equally likely to come to rest in any of the slots. One of the simplest wagers chooses red or black. A bet of $1 on red returns $2 if the ball lands in a red slot. Otherwise, the player loses his dollar. When gamblers bet on red or black, the two green slots belong to the house. Because the probability of winning $2 is 18/38, the mean payoff from a $1 bet is twice 18/38, or 94.7 cents. Explain what the law of large numbers tells us about what will happen if a gambler makes very many betson red.

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