K=12 because if you do 60/5=5k/5 your answer should equal 12.
Nope!
They cannot be equal if they have the same numerator but different denominators. they need to be able to reduce into the same number
Answer:
4
Step-by-step explanation:
80 - 47.08 = 32.92
32.92/8.23 = 4
In the real world you are not going to have a calculator on you 24/7. Nor will you have a pencil or paper to do longhand. You need to know how to accurately estimate your answers in order to be successful.
A^2 - b^2 = (a-b)(a+b)
To test it, expand the right hand side.
