1. Two marks example problems I

1. Each day, the workers drill down $22$ feet further until they hit a pool of water. If the water is at $110$ feet, on which day will they hit the pool of water?

 

The workers will reach resource in $=$  days

 

 

2. How many years are between $323$ $\text{BC (BCE)}$ and $1687$ $\text{AD (CE)}$?

 

Number of years $=$