3. 
Thomas drove 60 kilometers at a constant rate of speed. If he had driven 40 kph faster, he would have traveled the same distance for 24 minutes less. How fast did he drive?


4. 
A charity collected $2,040 in equal donations from their members to share the cost of a new building. If there were sixtynine more members, then each member could contribute $23 less. How many members does this charity have?

