If a student answers 75% of the questions on a math test correctly. If she answers 30 questions correctly, how many questions are on the exam

Question

If a student answer 75% of the questions on a math test correctly. If she gets 30 of the questions correctly, how many questions are on the test

Answer 1

30 = 75% of the Total questions

30 = .75T

T = 30/.75 = 30/(3/4) = 30(4/3) = 40 Total questions