He would need to work at least five hours
Answer:
x = 130 degrees
Step-by-step explanation:
We know that the total angle equals to 180 degrees since it is a straight line
Therefore, 25 + 25 + x = 180
180 - 25 - 25 = 130
Therefore, x = 130 degrees
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Answer:
-7/2
Step-by-step explanation:
This question is a word problem.
Step 1: interpretation the question
Let's assume the number is x;
X×7 – 1 = X×5 – 8
7x - 1 = 5x - 8
Step 2. Solve the equation for the unknown.
7x - 1 = 5x - 8
Take like terms together
7x - 5x = - 8 +1
2x = -7
Divide both sides by 2
x = -7/2
The answer is -7/2
Answer:

Step-by-step explanation:


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