Alden measured the water level in his pool each day. Ever day, the water level went down 1 1/2 inches he measured the pool for 5 straight days. Which value in this situation could be represented by a negative number?

Decrease or decline in water level per day

Step-by-step explanation:

Given the question above ;

The situation which could be repress Ted by a negative number is the decrease in the water level of the pool being measured :

It could be expressed as - 1 1/2 inches per day

Fall, decrease, loss or reductions are usually modeled in mathematics using the negative sign as it portrays a negative adjustment or reduction in the original amount of a commodity, item or phenomenon.

Furthermore, total decline after 5 days will be ;

-1 1/2 * 5 = (-3/2 * 5) = - 15/2 = - 7.5 inches