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Ket [755]
3 years ago
9

If you drive 60 miles and have 15 gallons of gas remaining in your tank. Then u continue driving and calculate that after drivin

g 268 miles you have 7 gallons left what is your rate ?
Mathematics
1 answer:
Aleksandr [31]3 years ago
3 0

Answer:

26.

But the proportion seems wrong.

Step-by-step explanation:

If you put this as two ordered pairs and solve for the slope, you will get your rate. Let the slope = m

(15,60) and (7,268)

m = (268 - 60) / (15 - 7)

m = 208/8

m = 26

According to this, you are going 26 miles per every gallon used.

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Answer:

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Step-by-step explanation:

Given : A raffle offers a first prize of $1000, 2 second prizes of $300, and 20 third prizes of $10 each. If 20000 tickets are sold at 25 cents each, find the expected winnings for a person buying 1 ticket.

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Probability of getting first prize is \frac{1}{20000}

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\frac{1}{20000}\times 1000+\frac{2}{20000}\times 300+\frac{20}{20000}\times 10

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The expected value is

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