siyanshiedu17 siyanshiedu17
  • 18-09-2020
  • Mathematics
contestada

Find the value of x and y so that both proportions will be correct: x/y = 3/8 and y/25 = 6.4/5

Respuesta :

devishri1977
devishri1977 devishri1977
  • 18-09-2020

Answer:

x = 12 and y = 32

Step-by-step explanation:

[tex]\frac{y}{25}=\frac{6.4}{5}\\\\\y=\frac{6.4}{5}*25\\\\y=6.4*5\\\\y=32[/tex]

[tex]\frac{x}{y}=\frac{3}{8}[/tex]

Plug in the value of y

[tex]\frac{x}{32}=\frac{3}{8}\\\\x*8=3*32\\x=\frac{3*32}{8}\\\\x=3*4\\\\x=12\\[/tex]

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