Lisa needs to make 2 times as many tuna as cheese sandwiches and 4 times as many ham as cheese sandwiches. If Lisa makes 56 sandwiches, how many of each of the 3 kinds will she make?

Answer 1

T=2C
H=4C

T+H+C=56
2c+4C+c=56
cheese= 8
go from there.

Answer 2

8 cheese sandwiches
16 tuna sandwiches
32 ham sandwiches

Answer 3

2c + 4c +c = 56
C=8
Tuna=16
Ham =32