Answer:
D
Step-by-step explanation:
75=(4*25)=C
- it means 25*3 which is the new price for the Fifth month should be equal to 75
- <em><u>7</u></em><em><u>5</u></em><em><u> </u></em><em><u>=</u></em><em><u>7</u></em><em><u>5</u></em><em><u>=</u></em><em><u>C</u></em>
2x-4y=-16
ax+4y=6 +
--------------------
2x+ax=-10; for x=-2,
2(-2)+a(-2)=-10
-2a=-10+4
a=-6/-2
a=3
The answer should be
780x + 1500y=31000
please correct me if i'm wrong
Answer:
what the choices?
Step-by-step explanation:
First, you must change all of this into improper fractions, like shown below.

Now you must change the sign.

Then we must reciprocalize 2/3.

Now we multiply, to get 2 4/10.