lizzyhearts
29.10.2020 •
Mathematics
1
= 2
= 3
4
= 5
= 6
7
F8
10
At the movie theatre, child admission is $5.60 and adult admission is $9.70. On Thursday, 142 tickets were sold for a total sales
of S1004.30. How many adult tickets were sold that day?
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Ответ:
length : 15 ft
width : 3 ft
Step-by-step explanation:
perimeter = 2×l(ength) + 2×w(idth) = 36
l = 3w + 6
=> 2×(3w+6) + 2w = 36
6w + 12 + 2w = 36
8w = 24
w = 3
=> l = 3w + 6 = 3×3 + 6 = 9+6=15