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

Answer Link
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
Answer Link

Otras preguntas

When rolling a number cube, what are the odds against rolling a 1 on a single roll? A) 1:6 B) 6:1 C) 1:5 D) 5:1
Coherent paragraphs are organized logically and don't shift from first person to third person. True or False?
what is Y if 8/12=y/30
Which of the following organisms in the soil food chain does not obtain energy directly from plants?
Jim is in a crowd of people at the mall looking for his girlfriend Tammy, who was supposed to meet him for dinner. Jim realizes Tammy is across the room as he c
Which value for x makes the following equation true? 6x + 8 = 44 A. 7 B. 12 C. 6 D. 8
how to be happy???? and be postive
what are three ways in which the early river valley civilizations were alike, and three ways in which they were different from one another.
Why did President Thomas Jefferson want control of New Orleans?
In which of the following languages were most books written before the Renaissance?