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mia2286
16.05.2021 •
Mathematics
The price of an item has risen $200 today. Yesterday it was $15. Find the percentage increase (please text it and not upload any pics) thank you
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Ответ:
92.5 %
Step-by-step explanation:
Ответ:
Cost of tickets for adults = $22
Cost of tickets for children = $15
Total number of tickets sold = 732
Total receipts = $12,912
Let x be number of adult ticket's sold and y be the number of child ticket's sold.
Therefore, we have:
Also, we have:
Now, let's substitute the value of x:
Now, let's substitute the value of y=456 in equation 1, we have:
Therefore, the number of child ticket's sold is 456 and number of adult ticket's sold is 276