Let's say 1000 dollars was spent on all of these. That would mean 170 dollars and 240 were spent on food and entertainment respectivly. If we want to see how much of the total cost was spent on these things, we would have to add them and divide them by 1000, so:

Answer:
See below.
Step-by-step explanation:
The 4 might be:
-1.9 - 3/2 , -1.8 and - 9/8.
-1 1/8 because -9/8 is equal to
so just make it a improper fraction, pretend the negative is not there then add the negative at the end
-hope this helps :D
Answer:
M= D x V, V= M x D
Step-by-step explanation:
You just do the opposite of division since the original is:
Density= Mass/ Volume
<em>D. [ 6 10
</em>
<em>-8 0]</em>
<em>would be the correct answer.</em>