nourmaali
14.04.2020 •
Mathematics
On a certain hot summer's day, 630 people used the public swimming pool. The daily prices are $ 1.75 for children and $ 2.25 for adults. The receipts for admission totaled $ 1229.00 How many children and how many adults swam at the public pool that day?
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Ответ:
C) -7
Multiply -5 by 2
Divide 8 by 4 :
3-10+2-2
Subtract 10 from 3 :
-7+2-2
Add -7 and 2 :
-5 - 2
Subtract 2 from -5:
-7