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3 years ago

Nick and June win some money and share it in the ratio 4:5. Nick gets £40. How much did June get?

Mathematics

1 answer:

sineoko [7]3 years ago

8 0

Answer:

June gets $\£50$

Step-by-step explanation:

Let

x ----> amount of money Nick gets

y ----> amount of money June gets

we know that

$\frac{x}{y}=\frac{4}{5}$ -----> equation A

$x=40$ ----> equation B

solve the system by substitution

substitute equation B in equation A

$\frac{40}{y}=\frac{4}{5}$

solve for y

Multiply in cross

$(40)(5)=y(4)\\y=200/4$

$y=\£50$

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3 years ago

Assuming the amount of money college students spend on text books each semester is symmetrical with a mean of 500 and a standard

TiliK225 [7]

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The standard deviation(σ) of money spent on textbooks is 50

Money paid by Jane for her books is $550

We will use this formula,

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Learn more about mean and standard deviation here brainly.com/question/4388715

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