Answer:
It will take 5 stages to reach the surface.
Step-by-step explanation:
-225/50=4.5 or what times 4.5 equals -225
Then the problem says to round up so 4.5 becomes 5.
The error is that he probably forgot the decimal point thus causing him to say '"hundred" instead of "and" for the decimal point.
Answer:x=1012
Step-by-step explanation:
Answer:
3x + 1
Step-by-step explanation:
9x -6 -6x +7
9x-6x -6 +7
3x +1