Is that big ideas math? Also it is A.
The answer you're looking for is A: 3
5x-1=14
+1 +1
(the -1 cancels out)
5x=15
(divide by 5 on both sides)
x=3
:P I hoped this helped!
To find the answer find out how many cubes there are altogether. 27 student with 5 cubes each = 135.
Take away 135 from the 189 , and you'll get the rest left that are spinners, which is 54.
54/27= 2 so
There are 2 spinners for each student.
Answer is c scalene because of where the dashes are on the triangle you can tell