Answer:
$20.58
Step-by-step explanation:
28 x 0.30 = 8.4
28 - 8.4 = 19.6
19.6 x 0.05 = 0.98
19.6 + 0.98 = 20.58
R =
P - Q + R = I ( I is the identity matrix )
- + R = ( subtract corresponding elements )
+ R =
R = - =
hope it's helpful ❤❤❤❤❤❤
THANK YOU.