Answer:
5
Step-by-step explanation:
20 has many factors, including 4&5.
4 is one less than 5, so 4 is the length and 5 is our width.
X+y = 12
x-y = 3
x = 3+y
Substitute it in 1st equation,
3+y+y=12
2y = 9
y = 4.5
Substitute it in 1st eq.,
x = 12-4.5 = 7.5
So, the two numbers are 7.5 & 4.5
Hope this helps!
Answer:
c
Step-by-step explanation:
sorry if wrong
The correct options are


<h3>How to find same value of x?</h3>
given that

first find value of x to obtain the equations have the same value of x.
Find the L.C.M between the 6,3

Then Cross multiplication should be done


Hence the correct options are


Learn more about problems on equations, refer:
https://brainly.in/question/742266
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