Hey there!
Here are the steps involved in answering this question:
1. Write 8 out of 200 as a fraction which is
2. Turn the fraction into a decimal. To do this, divide the numerator by the denominator. The numerator is the top part of the fraction while the denominator is the bottom part of the fraction.

= 0.04
3. You get 0.04. Now, turn this into a percent. Move the decimal, 2 places to the right or just multiply the decimal by 100.
0.04 = 4%
The final answer is 4%.Another way of doing this is to get 100 as a denominator.
Since, percent means, "Out of 100", we have to make the denominator 100.
1. 
= 4/100
Just divide each side by 2.
Again, the final answer is, 4%
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Answer:
39.9km a day
Step-by-step explanation:
Add up the four kilometers cycled and you should get 159.6km cycled in total. Divide that number by 4 to get 39.9km as a result. So she's wrong.
Step-by-step explanation:
a=-4
a=-2
(a-(-4)(a-2)
(a+4)(a-2)
aa-2a+4a-8
a2-2a-8