EtaiZ520595 EtaiZ520595
  • 03-11-2022
  • Mathematics
contestada

15 is 20% of what numberOA 3O B. 60O C 75O D. 300

Respuesta :

VickieW470024 VickieW470024
  • 03-11-2022

c)75

Explanation

to figure out this, we can use a rule of three

so,

let x represents the unknown value(

[tex]\begin{gathered} if \\ 15\Rightarrow20\text{ \%} \\ \text{then} \\ x\Rightarrow100\text{ \%} \end{gathered}[/tex]

make the proportion and solve for x

[tex]\begin{gathered} \frac{15}{20}=\frac{x}{100} \\ \text{cross multiply} \\ 15\cdot100=20\cdot x \\ 1500=20x \\ \frac{1500}{20}=x \\ 75=x \end{gathered}[/tex]

so, the answer is

C)75

I hope this helps you

Answer Link

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