funson360
funson360 funson360
  • 22-04-2020
  • Mathematics
contestada

4.5 is 0.9% of what number

Respuesta :

pixo16
pixo16 pixo16
  • 24-04-2020

Answer:

500

Step-by-step explanation:

Lets make the unknown number the letter a

0.9% can also be shown as 0.9/100

so 0.9 of a = 4.5

x(0.9/100) = 4.5

multiply 0.9 by x

(0.9×a)/100 = 4.5

multiply both sides by 100

0.9×a = 450

divide both sides by 0.9

a = 500

there you have it

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