Johnny took a math test with 25 questions and he answered 22 questions correctly. In order to get an A, he needs to answer at least 90 percent of the questions correctly.
a. Did Johnny get an A on this math test? Explain.
b. How many questions would Johnny need to answer correctly in order to get an A?
c. On the same exam, Johnny’s friend Jessie answered four times more questions correct than incorrect. Who got a higher percentage of the test questions correct, Johnny or Jessie?