Let student tickets are x and adult tickets are y
x + y = 516.........x = 516 - y .........(substitute in 2)
3x + 5y = 2046 ......(2)
3(516-y) + 5y = 2046
1548 - 3y + 5y = 2046
2y = 498
y = 249
x = 516 - y = 516 - 249 = 267
so the correct answer is b
81=9*9 (multiplicaiton fact)
9=3*3
81=3*3*3*3
the prime factors are 3⁴
we need to know how long the fence it in order to find the perimeter we also need to know what shape the fence is.
Answer:
19is the answer I think so please check it iam sorry