Question

solve answer in copy .​

Answer 1

3) x = first number

y = second number

$x + y = 148$

$x - y = 40$

Add 2 equation

$2x = 188$

$x = 94$

$x + y = 148$

$94 +y = 148$

$y = 54$

Answer 2

Answer:

4.

suppose table=x

chair=y

6 table and 4 chair cost=580

then we can write it as

6x+4y=580

5 table and 2 chair cost=350

then we can write it as

5x+2y=350

now multiple both side with 2

10x+4y=700

now take the first equation and last equation

6x+4y=580

-(10x+4y=700)

-4x=-120

4x=120

x=30

from the 2nd equation

5(30)+2y=350

150+2y=350

2y=100

y=50

table cost=30

chair cost=50

Hope it helps you!!