The answer is C. 21/50 is 0.42. 7/50 is 0.14. 19/50 is 0.38. 43/50 is 0.86. To convert a fraction to a decimal, you will have to divide the numerator by the denominator.
Hope this helped.
Yes because that is what it is because that is the answer
The answer I came up with was ×^6-4. Just rewrite it. I hope this was helpful.