7. Two marks example problems IV

1. The temperature at Srinagar was \(-3^\circ C\) on Friday. If the temperature decreases by \(1^\circ C\) next day, then what is the temperature on that day?

 

Temperature on the next day \(=\) \(^\circ C\)

 

 

2. A submarine is at \(300\) feet below the sea level. If it ascends to \(175\) feet, what is its new position?

 

New position \(=\)  feet below the sea levelabove the sea level