Problema Solution
A math test has 25 problems and is worth sixty points. Some questions are worth 2 points and some are worth 3 points each. How many two point and three point questions must there be on the test ?
Answer provided by our tutors
Let
x = the number of 2 points questions
y = the number of 3 points questions
x + y = 25
2x + 3y = 60
........
click here to see the system of equations solved for x and y
........
x = 15 2-point questions
y = 10 3-point questions
There are 15 2-points questions and 10 3-point questions.