Question

To form 3 adjacent squares, 10 toothpicks are required. How many toothpicks are required to form 12 adjacent squares????

Answer 1

3/10 =12/x

120 = 3x

x = 120/3

x = 40

Answer 2

n*3+1
12*3+1=37

Answer 3

i would have said 4 for the first one and then 3 more for each additional one

Answer 4

so
\[4+3\times 11=37\] more than one way to skin a cat

Answer 5

general formula is 3(n-1) + 4

3(12-1) + 4
= 33 + 4 =
37

Answer 6

I think I made sure wrong assumptions