There are 45 girls in Jonathan's class.
Answer:
3 hours
Step-by-step explanation:
3 Men-5 hours
5 men-?
1 man-3×5= 15 hours
therefore 5 men =15÷5= 3 hours
Given the equation;

To solve, let us multiply through by the least common multiple of the the denominator of the three fractions wich is 24;