amnaramzan567 amnaramzan567
  • 23-05-2021
  • Mathematics
contestada

x : y = 5 : 3
and
x + y = 56
Work out the value of x - y

Respuesta :

Razak1
Razak1 Razak1
  • 23-05-2021

Answer:

14

Step-by-step explanation:

x / y = 5 / 3, then 3x = 5y , x = 5/3y

we can type 5/3y instead of x ;

5/3y + y = 8/3y = 56, then y = 21

.

now let's find x ;

x - 21 = 56, then x = 35

x - y = 35 - 21 = 14

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samuelthankgod
samuelthankgod samuelthankgod
  • 23-05-2021

Step-by-step explanation:

pleases try to understand this the second photo is the first, thanks

Ver imagen samuelthankgod
Ver imagen samuelthankgod
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