Jim is correct because the ratios need to compare with the total amount of people surveyed. 55, 80, and 65 are numbers that don't fit in and don't tell the overall ratio. You can tell this by writing it as a fraction.
Ex: 35:100 = 35/100. This literally means 35 out of 100 people exercise in the morning.
Hope this helps! If you have any questions, just ask!
Answer:
I think it would be 25 hours spent playing Mario cart
Answer:
x=26
Step-by-step explanation:
3x +12 =90
subtract 12 from each side
3x=78
divide 3 from each side
x=26
Answer:
x = 3.162
Step-by-step explanation:
Your first step is to get x by itself by subtracting 3 from both sides.
3-
= -7
- = -10
Now multiply by both sidex by -1 to make x positive.
= 10
now take the square root of both sides.
= 
x =
x = 3.162
B = 6 +/- 14/5
That’s “plus or minus” for he absolute value
