Question

kindly solve this question. x+y=60, y+y =20 , z+z =4, x+y ÷ z = ? ​

Answer 1

Answer:

30

Step-by-step explanation:

Here, we are provided with 3 equations: x+y = 60, y+y = 20 and z+z = 4

Let us find the values of each variable first.

In the second equation, y + y = 20, we can take the value as 2y = 20.

Then we can transpose and find the value of y,

2y = 20

y = 20/2 = 10

In the first equation, x + y = 60, we know that the value of y = 10.

Using this, we can transpose and again find the value of x,

x + y = 60

x + 10 = 60

x = 60 - 10

x = 50

In the third equation, z + z = 4, we can again take the value as 2z = 4

Using this, we will again transpose to find the value,

2z = 4

z= 4/2 = 2

To find the value of (x + y) ÷ z, we will substitute each variable with their respective values.

= (50 + 10) ÷ 2

= 60 ÷ 2

= 30

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