Answer:
the answer to this question is 0.5
x = 24
y = 19
Step-by-step explanation:
option c is correct
$79.20
fixed charged of $19 x 4 months = $76.00
additional charged of $0.04 x 20 = $0.80 x 4 months = $3.20
Therefore, $76.00 + $3.20 = $79.20
a=2
3(3a+2)+6=30
9a+6+6=30
9a+12=30
9a=18
