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2 years ago

20 gallons is about how many liters?

Mathematics

2 answers:

Tpy6a [65]2 years ago

6 0

Answer:

75.7082

Step-by-step explanation:

Since 0.264172 equal 1 gallon so you need to multiply 0.264172*20 and get 75.7082

Viktor [21]2 years ago

3 0

because there are 3.79 liters in one gallon 3.79 x 20 = 75.8 liters so in

20 gallons there are 75.8 liters.

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sergey [27]

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3 years ago

What addition doubles facts can help you find 4+3

Oduvanchick [21]

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3 years ago

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Answer:

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3 years ago

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natima [27]

Answer:

Step-by-step explanation:

12.

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2 years ago

12.what is the probability that a boy and a girl chosen randsomly will be seniors?

zhenek [66]

$\frac{\textbf{1}}{\textbf{20}}$

Step-by-step explanation:

Probability= $\frac{\text{number of favourable outcomes}}{\text{total number of outcomes}}$

Probability for a randomly chosen girl to be senior= $\frac{\text{number of senior girls}}{\text{total number of girls}}$

Probability for a randomly chosen girl to be senior= $\frac{7}{8+11+9+7}=\frac{7}{35}=\frac{1}{5}$

Probability for a randomly chosen boy to be senior= $\frac{\text{number of senior boys}}{\text{total number of boys}}$

Probability for a randomly chosen girl to be senior= $\frac{9}{10+7+10+9}=\frac{9}{36}=\frac{1}{4}$

For two independent events,

Probability for both event 1 and event 2 to take place= $\text{probability of event 1} \times \text{probability of event 2}$

Since choosing boys and girls is independent,

Probability for both boy an girl chosen to be senior= $\text{probability for boy to be senior}\times\text{probability for girl to be senior}$

Probability for both boy and girl chosen to be senior= $\frac{1}{5} \times \frac{1}{4} = \frac{1}{20}$

So,required probability is $\frac{1}{20}$

3 0

3 years ago