Answer:
See below
Step-by-step explanation:
<u>X Y</u>
1 4
2 7
3 10
3(x - 1) + 4
10 triangles would be
3(10 - 1) + 4=
30 - 3 + 4 = 31
1) 31 toothpicks
2) equation: 3x+1
$0.53 per kg
8/15=533333333... so round it
i don't get the question ...
B. 12.50.
62.50 x .20 = 12.5
Hope this helps and good luck.