Mr Morales makes a table of the number of chaperones needed for different numbers of students attending a field trip. The ratio of parent chaperones to students is a constant proportion. What is the missing number in Mr. Morale’s table?
A) 36
B) 40
C) 42
D) 48
![Mr Morales makes a table of the number of chaperones needed for different numbers of students attending a field trip The ratio of parent chaperones to students class=](https://us-static.z-dn.net/files/d09/6b306cd4bdb5897f0563925cc33d6f18.png)