hanjonez
10.12.2020 •
Mathematics
Y
Carolyn is searching online for tickets to a
concert. Two weeks ago, the cost was $30.
Now the cost is $39.
a. What is the percent increase?
Solved
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Ответ:
30%
Step-by-step explanation:
change/orginal is the formula used for percentage change. the change is 9. the original is 30. 9/30 = 0.3. Multiply by 100 to get a percentage.
Ответ:
1. B, 2. C, 3. B, 4. A, 5. A, 6. D, 7. B, 8. D, 9. B
Explanation:
https://quizlet.com/122593717/lesson-8-the-age-of-napoleon-flash-cards/