Question 261477
Kid has a bug collection of insects(6legs) and arachnids(8legs) he has a total of 8 bugs. With a combined total of 54 legs. How many of each type of bug does he have. Write a formula and solve. 
----------------
I + A = 8  (Total of 8 bugs)
6I + 8A = 54 (Total legs)
---------------------------
I = 8 - A
Sub for I into 2nd eqn
6(8-A) + 8A = 54
48-6A + 8A = 54
A = 3
I = 5