Answer:
26. D) $252
27. A) -6.7 + 6.8
Step-by-step explanation:
26. 400 * 0.3 = 120
400 - 120 = 280
280 * 0.1 = 28 (because the 10% is additional, cannot add it to the original 30%)
280 - 28 = 252
27. -4.5 + 4.4 = -0.1
- 6.7 + 6.8 = 0.1
-0.1 + 0.1 = 0
Answer:
210
Step-by-step explanation:
you can do 200 + 10 = 210
You can also do 200 + 1 x10
Answer:
An extraneous solution is a solution obtained through algebraic manipulations that is not a solution to the original equation.
Step-by-step explanation:
Read it carefully. It's telling you the answer in the problem! There is one teacher for every 11 students. Of course there are more students!
By definition a counting number is all non-negative integers.