cloieoxox
cloieoxox cloieoxox
  • 01-02-2021
  • Mathematics
contestada

Three-quarters of a number is 15.
Work out four-fifths of the number.

Respuesta :

jimrgrant1 jimrgrant1
  • 01-02-2021

Answer:

16

Step-by-step explanation:

let the number be x , then

[tex]\frac{3}{4}[/tex] x = 15 ( multiply both sides by 4 to clear the fraction )

3x = 60 ( divide both sides by 3 )

x = 20 , then

[tex]\frac{4}{5}[/tex] × 20 = 4 × 4 = 16

Answer Link
Miniclipmaster2 Miniclipmaster2
  • 01-02-2021

Answer:

16

Step-by-step explanation:

let the number be x , then

\frac{3}{4} x = 15 ( multiply both sides by 4 to clear the fraction )

3x = 60 ( divide both sides by 3 )

x = 20 , then

\frac{4}{5} × 20 = 4 × 4 = 16

Answer Link

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