Can someone please help me. No links no trolling please. Which equations will 3/5 make true? Select all the correct choices.
A. 7/20 + = 19/20
B. + 31/0 = 3/15
C. 1/2 + 2/3 =
D. 1/10 + 1/2 =
E. + 1/20 = 9/20
I already know its C but its multiple choice there is 1 more answer.

Sum is 17 and their difference is 3

Write a fraction less than 1, which has a denominator of 6 and is greater than 3/4 plz answer !

One of every 20 customers reports poor customer service on your company’s customer satisfaction survey. you have just created a new process that should cut the number of poor customer service complaints in half. what percentage of customers would you expect to report poor service after this process is implemented? 1.) 5% 2.) 10% 3.) 2% 4.) 2.5%