Answer:
Write the following statement on line 9 or 10
printf("Press the %s key %d times to quit\\", &letterToQuit,numPresses);
Step-by-step explanation:
printf("Press the %s key %d times to quit\\", &letterToQuit,numPresses);
The above print statements is divided into literals and variables.
The literals are constant, and they are placed in " "
While the variables are used just the way they were declared
The literals in the print statement are:
"Press the", "key" and "times to quit\\"
The variables are:
letterToQuit and numPresses
The variables are printed between the literals to generate the required output.
\\ stands for new line