Answer:m=754 r=644
Step-by-step explanation:
m+r=1398
m=r+110 m-r=110
Combining both equations
m+r=1398
m-r=110
Add both equations
m+m+r-r=1398+110
2m=1508
Divide both sides by 2
2m/2=1508/2
m=754
Substitute m=754 in m+r=1398
754+r=1398
r=1398-754
r=644
