aidenarredondo
aidenarredondo
12-02-2016
Mathematics
contestada
55 is $40% of what number
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Exvited
Exvited
12-02-2016
55 is 40% of
137.5
Convert the percentage (40) into a decimal by dividing it over 100:
[tex] \frac{40}{100} = 0.4[/tex]
Divide 55 over 0.4:
[tex] \frac{55}{0.4} = 137.5[/tex]
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apologiabiology
apologiabiology
17-02-2016
55 is 40% of what number
percent means parts out of 100
40%=40/100=4/10=2/5
'of' means multiply
55=2/5 times what number
multily both sides by 5/2 to clear fraction
275/2=what number
137.5=what number
the answer is 137.5
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