Answer:
x=138
Step-by-step explanation:
68+70+a=180
138+a=180
a=42
180-42=x
(85 + 60) ÷ 2 = 72.5 Close to 71%
Answer: D - 71%
-9
-9+2-2=-9
$300
has: $11,200 plus $400
owes: $4500+ $800+ $6000
$11,600- $11, 300= $300