Question 123424
C+I=35 OR C=35-I
75C+25I=1975
75(35-I)+25I=1975
2625-75I+25I=1975
-50I=1975-2625
-50I=-650
I=-650/-50
I=13 NUMBER OF IGUANAS.
35-13=22 NUMBER OF CORN SNAKES.
PROOF.
75*22+25*13=1975
1650+325=1975
1975=1975