Question

Two numbers X and Y have a sum of 21. X is 3 less than Y. Write 2 equations from this information. A. X - Y =21 X= Y + 3 B. X + Y = 21 X = Y + 3 C. X-21 +Y 21 + X = Y D. X + Y = 11 X = Y-3

Answer 1

Two numbers X and Y have a sum of 21.

-> The expression for this would be:

`x+y=21`

X is 3 less than y.

-> The expression for this would be:

`x=y-3`

Therefore, the correct answer would be D.