40 + 30s = 220
30 for each student (s) and the one charge of 40 would get the tutor 220 dollars.
When you are rounding to the nearest tenth, you only look at the number right to the tenths which in this case is 5, so you round up the 6 to a 7, which will be.
8.7
Answer:
158.49
Step-by-step explanation:
10^(3.4 - 1.2) = 158.48931924611
round to 158.49
Answer:
-1
Step-by-step explanation:
2 - 3 = -1
Answer:
1+7+8+8
Step-by-step explanation: