How do you know when a situation involves a percent increase or a
percent decrease?

1. Subtract starting value minus final value.

2.divide that amount by the absolute value of the starting value.

3. Multiplt by 100 to get a percent decrease.

4. if the percentage is negative, it means there was an increase and not an decrease

Step-by-step explanation:

A percent of increase (or decrease) is a ratio of the amount of increase (or decrease) to the original amount. To find the percent of increase (decrease): Determine the amount of increase (or decrease). Divide this result by the given original amount.

the temperature will be -18 just do 62 + (-40) + (-40)

step-by-step explanation:

y/x=18

step-by-step explanation: