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Nostrana [21]
3 years ago
9

Arthur had one dollar he spent 75 cents of that dollar what fraction of his whole dollar did he spend

Mathematics
2 answers:
Sholpan [36]3 years ago
4 0

Hey there!

Aruthur spent 3/4 of the dollar

1/4 = 25 cents

2/4 (or 1/2 = 50 cents

3/4 = 75 cents

4/4 (aka the entire dollar) = 100 cents ($1.00)

Hope this helps you!

God bless ❤️

xXxGolferGirlxXx

WINSTONCH [101]3 years ago
3 0

He spent 3/4 of his dollar.

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Answer:

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true

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let be r=a/b and s=c/d being a,b,c,d  integer numbers

\frac{r+s}{2} =\frac{\frac{a}{b}+\frac{c}{d} }{2} =\frac{\frac{da+bc}{bd} }{2} =\frac{da+bc}{2bd}

d.a=e is an integer number because it's the product of two integers

b.c=f is an integer number because it's the product of two integers

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2.h=i is an integer number because it's the product of two integers

g/i=j is an integer number because it's the quotient of two integers

then

\frac{r+s}{2} =\frac{\frac{a}{b}+\frac{c}{d} }{2} =\frac{\frac{da+bc}{bd} }{2} =\frac{da+bc}{2bd}=\frac{e+f}{2h} =\frac{g}{i} =j

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a < (a+b)/2 < b

2a < (a+b) < 2b

lets analyze 2a < (a+b)

2a < (a+b) \\2a-a < (a+b)-a\\a < b

then 2a < (a+b) is true

lets analyze (a+b) < 2b

(a+b) < 2b\\(a+b)-b < 2b-b\\a< b

then (a+b) < 2b is true

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