Answer:
27
Step-by-step explanation:
She is wrong the answer is 27, all you have to do is multiply the number by the percentage as a decimal (.45)
Answer:
t = 54.85714 seconds
Step-by-step explanation:
t = 12(210)+9000/210
t = (2520 + 9000) / 210
t = 11520 / 210
t = 54.85714 seconds
The answer is D) 12
8x +14=9x+12
8x+12=9x
12=1x
x=12