Answer:
-12
Step-by-step explanation:
"+" means positive and addition while "-" has the opposite meaning. The baker discarding (throwing away) the bread means the amount of bread he has decreases. So we use negative to represent this situation.
X = # of hours
8x + 50 = 270
Subtract 50 from 270 and divide by 8 to get the result.
The scientific notation of .2 is
2 × 10^<span>-1</span>
Answer:
(1) (2)
Step-by-step explanation:
From the first equation:
From the second equation,