Answer:
The addition property of equality
Step-by-step explanation:
2 + 8 = 10
10 = 10
Answer:
4hrs to 9hrs
Step-by-step explanation:
The ratio of 20 hours to 45 hours is
4hrs to 9hrs
To solve for x, first, we add 3 to the given equation:

Dividing by 2, we get:

Therefore:

Finally, subtracting 5 we get:

Answer:
Do you want a proof or just the answer?
The answer is: the square (2.5x2.5).