Answer:
2.5
Step-by-step explanation:
10 divided by 4 is 25, so 25 in one week
(A)
Solve for the first variable in one of the equations, then substitute the result into the other equation.
v=3
w=−7
(B)
Solve for the first variable in one of the equations, then substitute the result into the other equation.
t=11/6
u=1/9
it's B! because it's what was already given to you next to the picture, and it just wanted you to rewrite it into the proof