Write a conjecture using the information provided. If two numbers are odd, then their sum is even. The two numbers are 3 and 19.

An integer has to be either even or odd

Even numbers are numbers divisible by 2, while odd numbers are not

Let us represent the 2 even numbers like this

ax+1

bx+1

When you add the two numbers together, you get

2a + 1 + 2b + 1

This can be simplified using the inverse of distributive property

2(a+b) + 2

2(a+b+1)

This is the sum, which is divisible by 2

it will cost dollar $540

the living room is 3 which means if we divide 325/3 then we get $108

therefore if 1part of the living room cost $108 and 3 costed $325

then total 5part of the room will cost 5*108 which gives $540