Equation:
9+3x=30
Answer:
9+3x=30
Subtract 9 from each side.
3x=21
divide by 3 on each side.
x=7
Each shirt cost $7.
Per means one. So this asks for in one minute, and in one inch.
20 minutes = 6 inches.
So dividing by 20 gets you one minute.
1 minute = 6/20 inches
1 minute = 3/10 inches
20 minutes = 6 inches.
So dividing by 6 gets you one inch.
20/6 minutes = 1 inch
10/3 minutes = 1 inch
Answer:
24 students
Step-by-step explanation:
Since students on opposite sides of the circle are 30 feet apart, the circumference of the circle is πd≈94.2. Since each student takes up 4 feet of space, 94.2/4=23.55 which we can round to 23 or 24 students.