A rational number is a number of the form such that p and q are integers.
Answer : If the temperature decreases by x degrees per day for y days
STEP BY STEP EXPLANATION : Consider a situation: if the temperature decreases by x degrees per day for y days
Temperature decreases by degrees is denoed by .
Therefore,
Total decrease in temperature in days is denoted by .
So, this situation could be solved using the product of , where represents a negative value
