Answer:

Step-by-step explanation:
To solve for
, first multiply by
on both sides to get this:

Now, you can factor out an
from the right side to get this:

Now divide by
in order to solve for
and you get:

Answer:
3315
Step-by-step explanation:
Given the data:
WEEK ________1 _____2______3______4
no of books __1412___1531 ___2050 ___1785
Number of books sold in weeks 2 and week 4
Books sold in week 2 = 1531
Books sold on week 4 = 1785
(1531 + 1784) = 3315
Step-by-step explanation:
40+20=60 students....
Answer:
1.6 hours
Step-by-step explanation:
The two trains will be (75+85)=160 miles apart after each hour.
Therefore the time taken for the trains to be 256 miles apart would be 256/160 hours = 1.6 hours.
Answer:
82 x 5 = 410
Step-by-step explanation:
81.9 rounds up to 82 and 4.6 rounds up to 5. 82 x 5 = 410