Which equation represents the number of test questions in the problem
below?
a test is worth 50 points. multiple choice questions are worth 1 point, and
short-answer questions are worth 3 points. if the test has 20 questions, how
many multiple choice questions are there?
a. m+ s = 20
b. m + 2s = 20
c. m. s= 20
d. m + s = 50