(53 + 23) + 7 = 53 + (23 + 7) =53 + 30 = 83
Answer: A. 53 + (23 + 7)
It's Associative Laws (a + b) + c = a + (b + c).
Answer:
so what can I do
Step-by-step explanation:
let find it
The sum of AB and BC is 180 degrees. So 13x - 10 = 180. 13x = 190.
x = 190/13
Answer: 8400 $
Explanation:
His original debt: money paid for 10 months + remaining debt
Assume X is his original debt
Then X= 10 • 150 + 6900
X= 1500+6900=8400$
Answer:
80y-24z
Step-by-step explanation: