Question

13.) In 1990, a radio costs $25. Now, the radio costs $5. What is the percent of change?

Answer 1

Answer:

Step-by-step explanation:

             80% of 25 = 5

because 10% of 25 = 2.5

and then       10 x 8 = 80

so                2.5 x 8 = 20

                  25 - 20 = 5

therefore, the percentage change is 80%

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hope this helped,

-cheesetoasty