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Travka [436]
3 years ago
6

On a map, 12 inch represents 45 mile.

Mathematics
2 answers:
Vera_Pavlovna [14]3 years ago
6 0
5/8 i believe is correct
jasenka [17]3 years ago
3 0
Use a proportion.

12 in. is to 45 miles as x is to 1 mile.

12/45 = x/1

x = 12/45 = 4/15
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224 is what % of 640?
lakkis [162]
There is a percent formula for all of these types of percent problems.

It is : is/of = %/100

224 is what % of 640
is = 224
of = 640
% = x
now just sub
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cross multiply because this is a proportion
(640)(x) = (224)(100)
640x = 22400
x = 22400/640
x = 35......so 224 is 35% of 640


5 0
3 years ago
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Step-by-step explanation:

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3 years ago
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