robertbyrd2017
20.09.2020 •
Mathematics
The square root of 15 is between which two consecutive integers?
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Ответ:
3 and 4
Step-by-step explanation:
1^2 = 1
2^2 = 4
3^2 = 9
4^2 = 16
Since 15 is between 9 and 16, the square root of 15 is between 3 and 4
Ответ:
Naturally, the number of child tickets you sold would be 80-x.
1.25x + 0.75(80-x) = 75
1.25x + 60 - 0.75x = 75
0.5 x = 15
x = 30
adult tickets = 30
child tickets = 80-30 = 50