Answer:
my answer is 2x+ 3y=22 because that the answer
$67.20
Step-by-step explanation:
84 x .05
4.2
84 x .25
21
84-21
63
63 + 4.2
67.20
6
Multiply 7x+3 by 2. When you get 14x+6, set equal to 90 and solve for x.
$519.43
bc it is