In a bag, there are two red buttons, 3 green buttons, and four purple buttons. A student writes the ratio for the number of purple buttons to green buttons as 3 : 4 is this student, correct? Explain why or why not.
No, the student is not correct. The ratio for the number of purple buttons to green buttons should be 4: 3, not 3: 4. This is because the given information states that there are 3 green buttons and 4 purple buttons in the bag.
