Answer: Opps- I am not in 9th grade yet- I am only in 5th grade can't help you sorry... I wish I can help you tho but i don't know what to do.
Step-by-step explanation:
Answer:
2.
Let the number be x.
2x+7 = 11
2x = 11-7
x = 4/2
x = 2
Hope this helped!
k=-2x-3/x hope that helped
28 houses per hour
84/3 28
7 x 60 = 420
420 x 60 = 25,200
25,200 feet per hour
9:15