Math 10
posted by Chanel on .
solve this linear system
2/3m + 3/4n = 16
1/2m + 3/8n = 18

clearing fractions, you have
8m + 9n = 192
4m + 3n = 144
add twice the bottom equation to the top one to get
15n = 480
n = 32
Now getting m is easy.