Answer:
the total price would be 9.81
Step-by-step explanation:
9% of 9 = 0.81
0.81+9=9.81
Answer:
22 people
Step-by-step explanation:
Answer:
x=6 y=-7
Step-by-step explanation:
rearrange the equation
3y=x-27 eq 1
2y=-4x+10 eq 2
Multiply eq 1 by 2, and eq 2 by 3
6y=2x-54
6y=-12x+30 subtract the two eq's
0=14x-84
84=14x
x=84÷14
<u>x=6</u>
solving for y sub. x either eq 1 or 2
3y=x-27
3y=6-27
3y=-21
y=-21÷3
<u>y=-7</u>
