Answer:
I am not completely sure with this
Explanation:
L restaurant=6 + M
N Restaurant= 2 x L+M
Total dumplings= 72= (6+M) + M + 2x L+M
Dumplings in N restaurant=
suppose m=2
so L= 6+M=8
so L and M will be 10=8+2
N=10 x 2= 20
so u should try and find out like that
Im in elementary school so im not sure