GamerJeff20 GamerJeff20
  • 25-05-2020
  • Mathematics
contestada

Answer these questions.
45% of 40 is 18% of what number?

Respuesta :

isyllus
isyllus isyllus
  • 31-05-2020

Answer:

45% of 40 is 18% of 100

Step-by-step explanation:

Let 45% of 40 = 18% of x .

Taking LHS (Left Hand Side):

45% of 40

[tex]\Rightarrow \dfrac{45}{100} \times 40\\\Rightarrow \dfrac{1800}{100}\\\Rightarrow 18 ...... (1)[/tex]

Taking RHS(Right Hand Side):

18% of x

[tex]\Rightarrow \dfrac{18}{100} \times x\\\Rightarrow 0.18 \times x ...... (2)[/tex]

Equating (1) and (2):

[tex]18 = 0.18 \times x\\\Rightarrow x= \dfrac{1800}{18}\\\Rightarrow x = 100[/tex]

Hence, 45% of 40 is 18% of 100.

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